CVE-2026-23767

CRITICAL

9.8

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.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published3/5/2026

Last Modified3/9/2026

Sourcenvd

Honeypot Sightings0

Affected Products

epson:sb-h50epson:sb-h50_firmwareepson:tm-h6000vepson:tm-h6000v_firmwareepson:tm-l100epson:tm-l100_firmwareepson:tm-m10epson:tm-m10_firmwareepson:tm-m30epson:tm-m30_firmwareepson:tm-m30iiepson:tm-m30ii-hepson:tm-m30ii-h_firmwareepson:tm-m30ii-sepson:tm-m30ii-s_firmwareepson:tm-m30ii-slepson:tm-m30ii-sl_firmwareepson:tm-m30ii_firmwareepson:tm-m30iiiepson:tm-m30iii-hepson:tm-m30iii-h_firmwareepson:tm-m30iii_firmwareepson:tm-m55epson:tm-m55_firmwareepson:tm-p20epson:tm-p20_firmwareepson:tm-p20iiepson:tm-p20ii_firmwareepson:tm-p60iiepson:tm-p60ii_firmwareepson:tm-p80epson:tm-p80_firmwareepson:tm-p80iiepson:tm-p80ii_firmwareepson:tm-t20iiepson:tm-t20ii_firmwareepson:tm-t20iiiepson:tm-t20iii_firmwareepson:tm-t88viepson:tm-t88vi-ihubepson:tm-t88vi-ihub_firmwareepson:tm-t88vi_firmwareepson:tm-t88viiepson:tm-t88vii_firmwareepson:ub-e04epson:ub-e04_firmwareepson:ub-r04epson:ub-r04_firmware

Weaknesses (CWE)

CWE-306

References

https://download4.epson.biz/sec_pubs/bs/pdf/IP_Filtering_Guide_en_revA.pdf(vultures@jpcert.or.jp)

https://jvn.jp/en/ta/JVNTA97995322/(vultures@jpcert.or.jp)

https://www.epson.jp/support/misc_t/260305_oshirase.htm(vultures@jpcert.or.jp)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.