{"id":"CVE-2026-73542","aliases":["EUVD-2026-63198","GHSA-mw8v-5vg6-vwx7"],"status":"published","title":"Multiple SEIKO EPSON printers and scanners contain revoked root certificates. A man-in-the-middle...","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.","severity":{"version":"4.0","score":6.3,"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","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00177,"percentile":0.07367,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-296"],"published":"2026-08-20T05:16:14Z","modified":"2026-08-28T16:09:10Z","products":[{"vendor":"seiko epson corporation","product":"multiple seiko epson printers and scanners"}],"references":[{"url":"https://www.epson.jp/news/info/a-security202608.htm"},{"url":"https://jvn.jp/en/vu/JVNVU91609598/"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-73542"},{"url":"https://jvn.jp/en/vu/JVNVU91609598"},{"url":"https://github.com/advisories/GHSA-mw8v-5vg6-vwx7"}],"sources":{"cve":[{"id":"CVE-2026-73542","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.","status":"published","published":"2026-08-20T05:16:14.864Z","modified":"2026-08-20T15:26:27.771Z","cvss":[{"version":"4.0","score":6.3,"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","level":"medium","assessor":"cna"},{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"cna"}],"cwes":["CWE-296"],"updated_at":"2026-11-02T13:43:33.766176Z"}],"euvd":[{"id":"EUVD-2026-63198","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.","status":"published","published":"2026-08-20T05:16:14Z","modified":"2026-08-20T15:26:27Z","cvss":[{"version":"4.0","score":6.3,"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","level":"medium"}],"updated_at":"2026-11-02T18:01:40.093236Z"}],"ghsa":[{"id":"GHSA-mw8v-5vg6-vwx7","title":"Multiple SEIKO EPSON printers and scanners contain revoked root certificates. A man-in-the-middle...","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.","status":"published","published":"2026-08-20T06:32:27Z","modified":"2026-08-20T06:32:35Z","cvss":[{"version":"4.0","score":6.3,"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"},{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"low"}],"cwes":["CWE-296"],"updated_at":"2026-11-02T15:10:45.95343Z"}],"nvd":[{"id":"CVE-2026-73542","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.","status":"published","published":"2026-08-20T06:17:13.287Z","modified":"2026-08-28T16:09:10.947Z","cvss":[{"version":"4.0","score":6.3,"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"secondary"}],"cwes":["CWE-296"],"updated_at":"2026-11-02T14:12:40.302911Z"}]}}