CVE-2026-23767

March 6, 2026, 11:16 a.m.

9.8
Critical

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.

Product(s) Impacted

Vendor Product Versions
Seiko Epsone Corporation
  • Esc/pos
  • *

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-306
Missing Authentication for Critical Function
The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.

*CPE(s)

Affected systems and software identified for this CVE.

Type Vendor Product Version Update Edition Language Software Edition Target Software Target Hardware Other Information
a seiko_epsone_corporation esc/pos / / / / / / / /

References

https://download4.epson.biz/sec_pubs/bs/pdf/IP_Filtering_Guide_en_revA.pdf
https://jvn.jp/en/ta/JVNTA97995322/
https://www.epson.jp/support/misc_t/260305_oshirase.htm

Tags

[email protected]
CWE-306
2026-03-05
CVE-2026-23767

CVSS Score

9.8 / 10

CVSS Data - 3.1

  • Attack Vector: NETWORK
  • Attack Complexity: LOW
  • Privileges Required: NONE
  • Scope: UNCHANGED
  • Confidentiality Impact: HIGH
  • Integrity Impact: HIGH
  • Availability Impact: HIGH

    • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

    View Vector String

Timeline

Published: March 5, 2026, 6:16 a.m.
Last Modified: March 6, 2026, 11:16 a.m.

Status : Awaiting Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

[email protected]

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.