NVD security advisoryHigh
High advisory for A security flaw
CVE-2026-121617 · Reported 4 Nov 2026
Full advisory details, affected packages, severity context, and original source.
Affected technology
A security flawAffected product
Advisory overview
A security flaw has been discovered in Linksys E5600 1.1.0.26. Affected by this issue is the function init_multipart of the file /cgi-bin/upload_fw.cgi of the component Header Parser. The manipulation results in out-of-bounds write. The attack may be launched remotely. The exploit has been released to the public and may 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.