{"id":"CVE-2026-73542","state":"PUBLISHED","title":"Multiple SEIKO EPSON printers and scanners contain revoked root certificates. A man-in-the-middle attack may allow an attacker to obtain communication data transmitted by the produ","description":"Multiple SEIKO EPSON printers and scanners contain revoked root certificates. A man-in-the-middle attack may allow an attacker to obtain communication data transmitted by the product. As for the details of the affected products and versions, refer to the vendor's information.","publishedAt":"2026-08-20T05:16:14.864Z","updatedAt":"2026-08-20T15:26:27.771Z","severity":{"score":6.3,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","source":"jpcert"},"assigner":"jpcert","products":["SEIKO EPSON CORPORATION Multiple SEIKO EPSON printers and scanners"],"affected":[{"vendor":"SEIKO EPSON CORPORATION","product":"Multiple SEIKO EPSON printers and scanners","versions":[{"version":"see the information provided by the vendor","status":"affected"}]}],"references":["https://www.epson.jp/news/info/a-security202608.htm","https://jvn.jp/en/vu/JVNVU91609598/"],"weaknesses":["CWE-296"],"ingestedAt":"2026-10-29T20:12:58.252Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/73xxx/CVE-2026-73542.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-73542","state":"PUBLISHED","datePublished":"2026-08-20T05:16:14.864Z","dateUpdated":"2026-08-20T15:26:27.771Z","assignerShortName":"jpcert","assignerOrgId":"ede6fdc4-6654-4307-a26d-3331c018e2ce","dateReserved":"2026-08-17T04:36:05.953Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"Multiple SEIKO EPSON printers and scanners contain revoked root certificates. A man-in-the-middle attack may allow an attacker to obtain communication data transmitted by the product. As for the details of the affected products and versions, refer to the vendor's information."}],"affected":[{"vendor":"SEIKO EPSON CORPORATION","product":"Multiple SEIKO EPSON printers and scanners","versions":[{"version":"see the information provided by the vendor","status":"affected"}]}],"references":[{"url":"https://www.epson.jp/news/info/a-security202608.htm"},{"url":"https://jvn.jp/en/vu/JVNVU91609598/"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en-US","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","baseSeverity":"LOW","baseScore":3.7,"vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N"}},{"format":"CVSS","scenarios":[{"lang":"en-US","value":"GENERAL"}],"cvssV4_0":{"version":"4.0","baseSeverity":"MEDIUM","baseScore":6.3,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-296","description":"Improper Following of a Certificate's Chain of Trust","lang":"en-US","type":"CWE"}]}],"providerMetadata":{"shortName":"jpcert","orgId":"ede6fdc4-6654-4307-a26d-3331c018e2ce","dateUpdated":"2026-08-20T05:16:14.864Z"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2026-73542","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2026-08-20T15:05:11.806045Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-20T15:26:27.771Z"}}]}}}