{"id":"CVE-2026-23767","aliases":["EUVD-2026-9594","GHSA-57q8-p4r4-7xr7"],"status":"published","title":"ESC/POS, a printer control language designed by Seiko Epson Corporation, lacks mechanisms for...","description":"ESC/POS, a printer control language designed by Seiko Epson Corporation, lacks mechanisms for user authentication and command authorization, does not provide controls to restrict sources or destinations of network communication, and transmits commands without encryption or integrity protection.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-09","score":0.00499,"percentile":0.43049,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-306"],"published":"2026-03-05T05:34:40Z","modified":"2026-06-17T10:22:04Z","products":[{"vendor":"epson","product":"sb-h50_firmware"},{"vendor":"epson","product":"tm-h6000v_firmware"},{"vendor":"epson","product":"tm-l100_firmware"},{"vendor":"epson","product":"tm-m10_firmware"},{"vendor":"epson","product":"tm-m30_firmware"},{"vendor":"epson","product":"tm-m30ii-h_firmware"},{"vendor":"epson","product":"tm-m30ii-s_firmware"},{"vendor":"epson","product":"tm-m30ii-sl_firmware"},{"vendor":"epson","product":"tm-m30ii_firmware"},{"vendor":"epson","product":"tm-m30iii-h_firmware"},{"vendor":"epson","product":"tm-m30iii_firmware"},{"vendor":"epson","product":"tm-m55_firmware"},{"vendor":"epson","product":"tm-p20_firmware"},{"vendor":"epson","product":"tm-p20ii_firmware"},{"vendor":"epson","product":"tm-p60ii_firmware"},{"vendor":"epson","product":"tm-p80_firmware"},{"vendor":"epson","product":"tm-p80ii_firmware"},{"vendor":"epson","product":"tm-t20ii_firmware"},{"vendor":"epson","product":"tm-t20iii_firmware"},{"vendor":"epson","product":"tm-t88vi-ihub_firmware"},{"vendor":"epson","product":"tm-t88vi_firmware"},{"vendor":"epson","product":"tm-t88vii_firmware"},{"vendor":"epson","product":"ub-e04_firmware"},{"vendor":"epson","product":"ub-r04_firmware"},{"vendor":"seiko epson corporation","product":"esc/pos"}],"references":[{"url":"https://www.epson.jp/support/misc_t/260305_oshirase.htm","tags":["Vendor Advisory"]},{"url":"https://download4.epson.biz/sec_pubs/bs/pdf/IP_Filtering_Guide_en_revA.pdf","tags":["Product"]},{"url":"https://jvn.jp/en/ta/JVNTA97995322/","tags":["Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-23767"},{"url":"https://jvn.jp/en/ta/JVNTA97995322"},{"url":"https://github.com/advisories/GHSA-57q8-p4r4-7xr7"}],"sources":{"cve":[{"id":"CVE-2026-23767","description":"ESC/POS, a printer control language designed by Seiko Epson Corporation, lacks mechanisms for user authentication and command authorization, does not provide controls to restrict sources or destinations of network communication, and transmits commands without encryption or integrity protection.","status":"published","published":"2026-03-05T05:34:40.895Z","modified":"2026-03-06T10:21:28.591Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"adp"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T13:42:15.603999Z"}],"euvd":[{"id":"EUVD-2026-9594","description":"ESC/POS, a printer control language designed by Seiko Epson Corporation, lacks mechanisms for user authentication and command authorization, does not provide controls to restrict sources or destinations of network communication, and transmits commands without encryption or integrity protection.","status":"published","published":"2026-03-05T05:34:40Z","modified":"2026-03-06T10:21:28Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T19:48:08.258323Z"}],"ghsa":[{"id":"GHSA-57q8-p4r4-7xr7","title":"ESC/POS, a printer control language designed by Seiko Epson Corporation, lacks mechanisms for...","description":"ESC/POS, a printer control language designed by Seiko Epson Corporation, lacks mechanisms for user authentication and command authorization, does not provide controls to restrict sources or destinations of network communication, and transmits commands without encryption or integrity protection.","status":"published","published":"2026-03-05T06:30:25Z","modified":"2026-03-05T06:30:32Z","cwes":["CWE-306"],"updated_at":"2026-11-02T15:06:27.497427Z"}],"nvd":[{"id":"CVE-2026-23767","description":"ESC/POS, a printer control language designed by Seiko Epson Corporation, lacks mechanisms for user authentication and command authorization, does not provide controls to restrict sources or destinations of network communication, and transmits commands without encryption or integrity protection.","status":"published","published":"2026-03-05T06:16:22.227Z","modified":"2026-06-17T10:22:04.717Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T14:12:07.852448Z"}]}}