CVE-2026-121618

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.

• CWE-200
• CWE-284

• https://github.com/Zimo-666/E5600-cves/tree/main/05-fqc-info-disclosure
• https://vuldb.com/cve/CVE-2026-121618
• https://vuldb.com/submit/1023314
• https://vuldb.com/vuln/430466
• https://vuldb.com/vuln/430466/cti
• https://www.linksys.com/

Published

Nov 4, 2026

Last Modified

Nov 4, 2026

Status

Deferred

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