{"id":"CVE-2026-18187","state":"PUBLISHED","title":"A format string vulnerability was found in the Internal Backup on the ADM","description":"A format string vulnerability was found in the Internal Backup on the ADM. The vulnerability occurs because user-controlled task input may be included in an error response and processed through an unsafe format string operation. An authenticated attacker can exploit this issue to disclose memory information or cause denial of service of the affected CGI process.\nAffected products and versions include: from ADM 4.1.0 through ADM 4.3.3.RUN1 as well as from ADM 5.0.0 through ADM 5.1.3.RI81.","publishedAt":"2026-07-30T02:54:45.595Z","updatedAt":"2026-08-04T07:28:39.992Z","severity":{"score":7.1,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N","source":"ASUSTOR1"},"assigner":"ASUSTOR1","products":["ASUSTOR Inc. ADM"],"affected":[{"vendor":"ASUSTOR Inc.","product":"ADM","packageName":"Internal Backup","defaultStatus":"unaffected","versions":[{"version":"5.0.0","status":"affected","lessThanOrEqual":"5.1.3.RI81","versionType":"custom"},{"version":"4.1.0","status":"affected","lessThanOrEqual":"4.3.3.RUN1","versionType":"custom"}],"platforms":["Linux","x86","ARM","64 bit"]}],"references":["https://www.asustor.com/security/security_advisory_detail?id=67"],"weaknesses":["CWE-134"],"ingestedAt":"2026-10-29T20:11:10.572Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/18xxx/CVE-2026-18187.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-18187","state":"PUBLISHED","datePublished":"2026-07-30T02:54:45.595Z","dateUpdated":"2026-08-04T07:28:39.992Z","assignerShortName":"ASUSTOR1","assignerOrgId":"f35eaae9-79f2-4d0d-a5c7-7bea6ed6be77","dateReserved":"2026-07-29T01:38:52.259Z"},"containers":{"cna":{"title":"A format string vulnerability was found in the Internal Backup on the ADM","descriptions":[{"lang":"en","value":"A format string vulnerability was found in the Internal Backup on the ADM. The vulnerability occurs because user-controlled task input may be included in an error response and processed through an unsafe format string operation. An authenticated attacker can exploit this issue to disclose memory information or cause denial of service of the affected CGI process.\nAffected products and versions include: from ADM 4.1.0 through ADM 4.3.3.RUN1 as well as from ADM 5.0.0 through ADM 5.1.3.RI81."}],"affected":[{"vendor":"ASUSTOR Inc.","product":"ADM","packageName":"Internal Backup","defaultStatus":"unaffected","versions":[{"version":"5.0.0","status":"affected","lessThanOrEqual":"5.1.3.RI81","versionType":"custom"},{"version":"4.1.0","status":"affected","lessThanOrEqual":"4.3.3.RUN1","versionType":"custom"}],"platforms":["Linux","x86","ARM","64 bit"]}],"references":[{"url":"https://www.asustor.com/security/security_advisory_detail?id=67","tags":["vendor-advisory"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"LOW","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"HIGH","baseScore":7.1,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-134","lang":"en","description":"CWE-134 Use of Externally-Controlled format string","type":"CWE"}]}],"providerMetadata":{"shortName":"ASUSTOR1","orgId":"f35eaae9-79f2-4d0d-a5c7-7bea6ed6be77","dateUpdated":"2026-08-04T07:28:39.992Z"},"datePublic":"2026-07-30T02:55:00.000Z","impacts":[{"capecId":"CAPEC-135","descriptions":[{"lang":"en","value":"CAPEC-135 Format String Injection"}]}],"credits":[{"lang":"en","value":"Jincheng Wang (@winmt) from Nanjing University of Posts and Telecommunications","type":"finder"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.4"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-30T13:20:28.078436Z","id":"CVE-2026-18187","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-30T13:20:37.111Z"}}]}}}