CVE-2026-23767
CRITICALCVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
2Tags
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.
Analysis
ESC/POS printer control language lacks authentication/authorization. Any device on the network can send print commands.
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Remediation
Within 24 hours: Inventory all Sb-H50 devices in production and identify firmware versions; immediately isolate affected devices to restricted network segments and disable external access. Within 7 days: Contact vendor for emergency patches, firmware updates, or hotfixes; conduct security audit of affected device access logs for signs of exploitation. …
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External POC / Exploit Code
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