Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2026-23767


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.


Security Impact Summary

This vulnerability carries a CRITICAL severity rating with a CVSS v3.1 score of 9.8, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 48 products from epson, from epson, from epson and 45 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2026, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.


Published

2026-03-05T06:16:22.227

Last Modified

2026-03-09T18:42:01.070

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

Weaknesses
  • Type: Secondary
    CWE-306

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System epson sb-h50_firmware - Yes
Hardware epson sb-h50 - No
Operating System epson tm-h6000v_firmware - Yes
Hardware epson tm-h6000v - No
Operating System epson tm-l100_firmware - Yes
Hardware epson tm-l100 - No
Operating System epson tm-m10_firmware - Yes
Hardware epson tm-m10 - No
Operating System epson tm-m30_firmware - Yes
Hardware epson tm-m30 - No
Operating System epson tm-m30ii_firmware - Yes
Hardware epson tm-m30ii - No
Operating System epson tm-m30ii-h_firmware - Yes
Hardware epson tm-m30ii-h - No
Operating System epson tm-m30ii-s_firmware - Yes
Hardware epson tm-m30ii-s - No
Operating System epson tm-m30ii-sl_firmware - Yes
Hardware epson tm-m30ii-sl - No
Operating System epson tm-m30iii_firmware - Yes
Hardware epson tm-m30iii - No
Operating System epson tm-m30iii-h_firmware - Yes
Hardware epson tm-m30iii-h - No
Operating System epson tm-m55_firmware - Yes
Hardware epson tm-m55 - No
Operating System epson tm-p20ii_firmware - Yes
Hardware epson tm-p20ii - No
Operating System epson tm-p80ii_firmware - Yes
Hardware epson tm-p80ii - No
Operating System epson tm-p20_firmware - Yes
Hardware epson tm-p20 - No
Operating System epson tm-p60ii_firmware - Yes
Hardware epson tm-p60ii - No
Operating System epson tm-p80_firmware - Yes
Hardware epson tm-p80 - No
Operating System epson tm-t20ii_firmware - Yes
Hardware epson tm-t20ii - No
Operating System epson tm-t20iii_firmware - Yes
Hardware epson tm-t20iii - No
Operating System epson tm-t88vi_firmware - Yes
Hardware epson tm-t88vi - No
Operating System epson tm-t88vi-ihub_firmware - Yes
Hardware epson tm-t88vi-ihub - No
Operating System epson tm-t88vii_firmware - Yes
Hardware epson tm-t88vii - No
Operating System epson ub-r04_firmware - Yes
Hardware epson ub-r04 - No
Operating System epson ub-e04_firmware - Yes
Hardware epson ub-e04 - No

References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For epson's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.