CVE-2026-121618 PUBLISHED

Linksys E5600 Factory Quality Control fqc.cgi information disclosure

Assigner: VulDB
Reserved: 03.11.2026 Published: 04.11.2026 Updated: 04.11.2026

A weakness has been identified in Linksys E5600 1.1.0.26. This affects an unknown part of the file /cgi-bin/fqc.cgi of the component Factory Quality Control. This manipulation causes information disclosure. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way. This vulnerability only affects products that are no longer supported by the maintainer.

Metrics

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
CVSS Score: 6.9

Product Status

Vendor Linksys
Product E5600
Versions
  • Version 1.1.0.26 is affected

Credits

  • liuyingqi (VulDB User) reporter
  • VulDB CNA Team coordinator

References

Problem Types

  • Information Disclosure CWE
  • Improper Access Controls CWE