CVE-2025-9146: Linksys e5600 Firmware

High severity, CVSS 8.1. EPSS: 0.5% chance of exploitation in the next 30 days.

A flaw has been found in Linksys E5600 1.1.0.26. The affected element is the function verify_gemtek_header of the file checkFw.sh of the component Firmware Handler. Executing manipulation can lead to risky cryptographic algorithm. The attack may be launched remotely. The attack requires a high level of complexity. The exploitability is described as difficult. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

• Linksys e5600 Firmware: version 1.1.0.26 only

Published 2025-08-19. Last modified 2026-06-17.