CVE-2026-23767

CRITICAL

ESC/POS - Auth Bypass

Title source: llm

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.

Scores

CVSS v3 9.8
EPSS 0.0003
EPSS Percentile 9.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Classification

CWE
CWE-306
Status published

Affected Products (24)

epson/sb-h50_firmware
epson/tm-h6000v_firmware
epson/tm-l100_firmware
epson/tm-m10_firmware
epson/tm-m30_firmware
epson/tm-m30ii_firmware
epson/tm-m30ii-h_firmware
epson/tm-m30ii-s_firmware
epson/tm-m30ii-sl_firmware
epson/tm-m30iii_firmware
epson/tm-m30iii-h_firmware
epson/tm-m55_firmware
epson/tm-p20ii_firmware
epson/tm-p80ii_firmware
epson/tm-p20_firmware
... and 9 more

Timeline

Published Mar 05, 2026
Tracked Since Mar 05, 2026