CVE-2025-9146

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.

• CWE-310
• CWE-327
• CWE-327

• https://github.com/IOTRes/IOT_Firmware_Update/blob/main/Linksys/E5600.mdExploit, Third Party Advisory
• https://vuldb.com/?ctiid.320525Permissions Required, VDB Entry
• https://vuldb.com/?id.320525Third Party Advisory, VDB Entry
• https://vuldb.com/?submit.628642Third Party Advisory, VDB Entry
• https://www.linksys.com/Product
• https://github.com/IOTRes/IOT_Firmware_Update/blob/main/Linksys/E5600.mdExploit, Third Party Advisory

Published

Aug 19, 2025

Last Modified

Jun 17, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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