ZDF
Sign inSign up

Vulnerabilities

Vulnerability · 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…

Published Mar 5, 2026 · catalog updated Jun 17, 2026 · sb-h50 firmware

Last checked Oct 31, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2026-23767. EPSS is 0.50%. Act only if a listed version of sb-h50 firmware is installed.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Critical9.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.50%
Remediation
Advisory link
Affected products
cpe epson/sb-h50 firmware · cpe epson/tm-h6000v firmware · cpe epson/tm-l100 firmware · cpe epson/tm-m10 firmware · cpe epson/tm-m30 firmware · cpe epson/tm-m30ii firmware

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe epson/sb-h50 firmwareversion unspecified
  • cpe epson/tm-h6000v firmwareversion unspecified
  • cpe epson/tm-l100 firmwareversion unspecified
  • cpe epson/tm-m10 firmwareversion unspecified
  • cpe epson/tm-m30 firmwareversion unspecified
  • cpe epson/tm-m30ii firmwareversion unspecified
  • cpe epson/tm-m30ii-h firmwareversion unspecified
  • cpe epson/tm-m30ii-s firmwareversion unspecified
  • cpe epson/tm-m30ii-sl firmwareversion unspecified
  • cpe epson/tm-m30iii firmwareversion unspecified
  • cpe epson/tm-m30iii-h firmwareversion unspecified
  • cpe epson/tm-m55 firmwareversion unspecified

How to fix CVE-2026-23767

  • No stored fix

    No vendor fix text is stored. Use the linked advisory before you change production.

  • Version check

    No version range is stored, so an installed version cannot be checked on this page.

  • Advisory

    Open the cve_org record and follow its fix.

  • Official advisories

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-23767. EPSS is 0.50%. Act only if a listed version of sb-h50 firmware is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-306: Missing Authentication for Critical Function. EPSS 0.50%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Mar 5, 2026 · NIST NVD

    Detected

    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.

  2. Jun 17, 2026 · NIST NVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2026-23767

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-23767

    30-day exploitation probability 0.50%

    first.org
  • NIST NVDVulnerability recordCVE-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 integr

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 31, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSOct 31, 2026
  • CVE.orgOct 16, 2026
  • NIST NVDOct 15, 2026