{"id":"CVE-2025-2146","state":"PUBLISHED","title":"Buffer overflow in WebService Authentication processing of Small Office Multifunction Printers and Laser Printers(*) which may allow an attacker on the network segment to trigger t","description":"Buffer overflow in WebService Authentication processing of Small Office Multifunction Printers and Laser Printers(*) which may allow an attacker on the network segment to trigger the affected product being unresponsive or to execute arbitrary code. *: Satera MF656Cdw/Satera MF654Cdw/Satera MF551dw/Satera MF457dw firmware v05.07 and earlier sold in Japan. Color imageCLASS MF656Cdw/Color imageCLASS MF654Cdw/Color imageCLASS MF653Cdw/Color imageCLASS MF652Cdw/Color imageCLASS LBP633Cdw/Color imageCLASS LBP632Cdw/imageCLASS MF455dw/imageCLASS MF453dw/imageCLASS MF452dw/imageCLASS MF451dw/imageCLASS LBP237dw/imageCLASS LBP236dw/imageCLASS X MF1238 II/imageCLASS X MF1643i II/imageCLASS X MF1643iF II/imageCLASS X LBP1238 II firmware v05.07 and earlier sold in US. i-SENSYS MF657Cdw/i-SENSYS MF655Cdw/i-SENSYS MF651Cdw/i-SENSYS LBP633Cdw/i-SENSYS LBP631Cdw/i-SENSYS MF553dw/i-SENSYS MF552dw/i-SENSYS MF455dw/i-SENSYS MF453dw/i-SENSYS LBP236dw/i-SENSYS LBP233dw/imageRUNNER 1643iF II/imageRUNNER 1643i II/i-SENSYS X 1238iF II/i-SENSYS X 1238i II/i-SENSYS X 1238P II/i-SENSYS X 1238Pr II firmware v05.07 and earlier sold in Europe.","publishedAt":"2025-05-25T23:36:36.024Z","updatedAt":"2025-05-27T14:20:02.153Z","severity":{"score":9.8,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","source":"Canon"},"assigner":"Canon","products":["Canon Inc. Satera MF656Cdw","Canon Inc. Satera MF654Cdw","Canon Inc. Satera MF551dw","Canon Inc. Satera MF457dw","Canon Inc. Color imageCLASS MF656Cdw","Canon Inc. Color imageCLASS MF654Cdw","Canon Inc. Color imageCLASS MF653Cdw","Canon Inc. Color imageCLASS MF652Cdw","Canon Inc. Color imageCLASS LBP633Cdw","Canon Inc. Color imageCLASS LBP632Cdw","Canon Inc. imageCLASS MF455dw","Canon Inc. imageCLASS MF453dw","Canon Inc. imageCLASS MF452dw","Canon Inc. imageCLASS MF451dw","Canon Inc. imageCLASS LBP237dw","Canon Inc. imageCLASS LBP236dw","Canon Inc. imageCLASS X MF1238 II","Canon Inc. imageCLASS X MF1643i II","Canon Inc. imageCLASS X MF1643iF II","Canon Inc. imageCLASS X LBP1238 II","Canon Inc. i-SENSYS MF657Cdw","Canon Inc. i-SENSYS MF655Cdw","Canon Inc. i-SENSYS MF651Cdw","Canon Inc. i-SENSYS LBP633Cdw","Canon Inc. i-SENSYS LBP631Cdw","Canon Inc. i-SENSYS MF553dw","Canon Inc. i-SENSYS MF552dw","Canon Inc. i-SENSYS MF455dw","Canon Inc. i-SENSYS MF453dw","Canon Inc. i-SENSYS LBP236dw","Canon Inc. i-SENSYS LBP233dw","Canon Inc. imageRUNNER 1643iF II","Canon Inc. imageRUNNER 1643i II","Canon Inc. i-SENSYS X 1238iF II","Canon Inc. i-SENSYS X 1238i II","Canon Inc. i-SENSYS X 1238P II","Canon Inc. i-SENSYS X 1238Pr II"],"affected":[{"vendor":"Canon Inc.","product":"Satera MF656Cdw","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"Satera MF654Cdw","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"Satera MF551dw","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"Satera MF457dw","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"Color imageCLASS MF656Cdw","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"Color imageCLASS MF654Cdw","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"Color imageCLASS MF653Cdw","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"Color imageCLASS MF652Cdw","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"Color imageCLASS LBP633Cdw","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"Color imageCLASS LBP632Cdw","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"imageCLASS MF455dw","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"imageCLASS MF453dw","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"imageCLASS MF452dw","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"imageCLASS MF451dw","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"imageCLASS LBP237dw","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"imageCLASS LBP236dw","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"imageCLASS X MF1238 II","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"imageCLASS X MF1643i II","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"imageCLASS X MF1643iF II","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"imageCLASS X LBP1238 II","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"i-SENSYS MF657Cdw","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"i-SENSYS MF655Cdw","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"i-SENSYS MF651Cdw","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"i-SENSYS LBP633Cdw","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"i-SENSYS LBP631Cdw","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"i-SENSYS MF553dw","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"i-SENSYS MF552dw","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"i-SENSYS MF455dw","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"i-SENSYS MF453dw","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"i-SENSYS LBP236dw","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"i-SENSYS LBP233dw","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"imageRUNNER 1643iF II","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"imageRUNNER 1643i II","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"i-SENSYS X 1238iF II","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"i-SENSYS X 1238i II","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"i-SENSYS X 1238P II","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"i-SENSYS X 1238Pr II","versions":[{"version":"05.07 and earlier","status":"affected"}]}],"references":["https://psirt.canon/advisory-information/cp2025-001/","https://canon.jp/support/support-info/250127vulnerability-response","https://www.usa.canon.com/support/canon-product-advisories/service-notice-regarding-vulnerability-measure-against-buffer-overflow-for-laser-printers-and-small-office-multifunctional-printers","https://www.canon-europe.com/support/product-security/#news"],"weaknesses":["CWE-787"],"ingestedAt":"2026-10-29T20:08:55.257Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/2xxx/CVE-2025-2146.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-2146","state":"PUBLISHED","datePublished":"2025-05-25T23:36:36.024Z","dateUpdated":"2025-05-27T14:20:02.153Z","assignerShortName":"Canon","assignerOrgId":"f98c90f0-e9bd-4fa7-911b-51993f3571fd","dateReserved":"2025-03-10T04:32:48.049Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"Buffer overflow in WebService Authentication processing of Small Office Multifunction Printers and Laser Printers(*) which may allow an attacker on the network segment to trigger the affected product being unresponsive or to execute arbitrary code. *: Satera MF656Cdw/Satera MF654Cdw/Satera MF551dw/Satera MF457dw firmware v05.07 and earlier sold in Japan. Color imageCLASS MF656Cdw/Color imageCLASS MF654Cdw/Color imageCLASS MF653Cdw/Color imageCLASS MF652Cdw/Color imageCLASS LBP633Cdw/Color imageCLASS LBP632Cdw/imageCLASS MF455dw/imageCLASS MF453dw/imageCLASS MF452dw/imageCLASS MF451dw/imageCLASS LBP237dw/imageCLASS LBP236dw/imageCLASS X MF1238 II/imageCLASS X MF1643i II/imageCLASS X MF1643iF II/imageCLASS X LBP1238 II firmware v05.07 and earlier sold in US. i-SENSYS MF657Cdw/i-SENSYS MF655Cdw/i-SENSYS MF651Cdw/i-SENSYS LBP633Cdw/i-SENSYS LBP631Cdw/i-SENSYS MF553dw/i-SENSYS MF552dw/i-SENSYS MF455dw/i-SENSYS MF453dw/i-SENSYS LBP236dw/i-SENSYS LBP233dw/imageRUNNER 1643iF II/imageRUNNER 1643i II/i-SENSYS X 1238iF II/i-SENSYS X 1238i II/i-SENSYS X 1238P II/i-SENSYS X 1238Pr II firmware v05.07 and earlier sold in Europe."}],"affected":[{"vendor":"Canon Inc.","product":"Satera MF656Cdw","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"Satera MF654Cdw","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"Satera MF551dw","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"Satera MF457dw","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"Color imageCLASS MF656Cdw","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"Color imageCLASS MF654Cdw","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"Color imageCLASS MF653Cdw","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"Color imageCLASS MF652Cdw","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"Color imageCLASS LBP633Cdw","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"Color imageCLASS LBP632Cdw","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"imageCLASS MF455dw","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"imageCLASS MF453dw","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"imageCLASS MF452dw","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"imageCLASS MF451dw","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"imageCLASS LBP237dw","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"imageCLASS LBP236dw","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"imageCLASS X MF1238 II","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"imageCLASS X MF1643i II","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"imageCLASS X MF1643iF II","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"imageCLASS X LBP1238 II","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"i-SENSYS MF657Cdw","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"i-SENSYS MF655Cdw","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"i-SENSYS MF651Cdw","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"i-SENSYS LBP633Cdw","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"i-SENSYS LBP631Cdw","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"i-SENSYS MF553dw","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"i-SENSYS MF552dw","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"i-SENSYS MF455dw","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"i-SENSYS MF453dw","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"i-SENSYS LBP236dw","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"i-SENSYS LBP233dw","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"imageRUNNER 1643iF II","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"imageRUNNER 1643i II","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"i-SENSYS X 1238iF II","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"i-SENSYS X 1238i II","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"i-SENSYS X 1238P II","versions":[{"version":"05.07 and earlier","status":"affected"}]},{"vendor":"Canon Inc.","product":"i-SENSYS X 1238Pr II","versions":[{"version":"05.07 and earlier","status":"affected"}]}],"references":[{"url":"https://psirt.canon/advisory-information/cp2025-001/","tags":["vendor-advisory"]},{"url":"https://canon.jp/support/support-info/250127vulnerability-response","tags":["vendor-advisory"]},{"url":"https://www.usa.canon.com/support/canon-product-advisories/service-notice-regarding-vulnerability-measure-against-buffer-overflow-for-laser-printers-and-small-office-multifunctional-printers","tags":["vendor-advisory"]},{"url":"https://www.canon-europe.com/support/product-security/#news","tags":["vendor-advisory"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.8,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-787","description":"CWE-787: Out-of-bounds Write","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"Canon","orgId":"f98c90f0-e9bd-4fa7-911b-51993f3571fd","dateUpdated":"2025-05-25T23:36:36.024Z"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-05-27T14:19:02.334772Z","id":"CVE-2025-2146","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-05-27T14:20:02.153Z"}}]}}}