CVE-2026-23767CWE-306

ESC/POS, a printer control language designed by Seiko Epson Corporation, lacks mechanisms for user authentication and command authorization, does not provide…

Critical · published March 5, 2026

CVSS v3.1
9.8
EPSS
0%
Percentile
39.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00465 · 39.3th percentile
Weakness
CWE-306 · Missing Authentication for Critical Function
Published
2026-03-05T05:34Z
EPSS history
Timeline
  • 05 MAR 05:34Z
    ESC/POS, a printer control language designed by Seiko Epson Corporation, lacks mechanisms for user authentication and command authorization, does not provide…
    cvelistv5