{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-73542","assignerOrgId":"ede6fdc4-6654-4307-a26d-3331c018e2ce","state":"PUBLISHED","assignerShortName":"jpcert","dateReserved":"2026-08-17T04:36:05.953Z","datePublished":"2026-08-20T05:16:14.864Z","dateUpdated":"2026-08-20T15:26:27.771Z"},"containers":{"cna":{"affected":[{"vendor":"SEIKO EPSON CORPORATION","product":"Multiple SEIKO EPSON printers and scanners","versions":[{"version":"see the information provided by the vendor","status":"affected"}]}],"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."}],"problemTypes":[{"descriptions":[{"description":"Improper Following of a Certificate's Chain of Trust","lang":"en-US","cweId":"CWE-296","type":"CWE"}]}],"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"}}],"providerMetadata":{"orgId":"ede6fdc4-6654-4307-a26d-3331c018e2ce","shortName":"jpcert","dateUpdated":"2026-08-20T05:16:14.864Z"}},"adp":[{"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"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-08-20T15:26:27.771Z"}}]}}