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Critical · 9.8 CVE-2026-23767 EUVD-2026-9594GHSA-57q8-p4r4-7xr7

ESC/POS, a printer control language designed by Seiko Epson Corporation, lacks mechanisms for user authentication and command authorization…

Published Mar 5, 2026 · Updated Mar 6, 2026 · Assigned by jpcert

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.

Affected products

VendorProductAffectedFixed
Seiko Epson ESC/POS All products implementing ESC/POS —

References