CVE-2026-121615 Linksys E5600 Login mesh_login.cgi improper authentication
CriticalCVSS 10.0
- Published
- Updated
- Exploit status
- No public exploit known
Description
A vulnerability was determined in Linksys E5600 1.1.0.26. Affected is an unknown function of the file /cgi-bin/mesh_login.cgi of the component Login Handler. Executing a manipulation can lead to improper authentication. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized. 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.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linksys e5600 firmware | = 1.1.0.26 | No fix listed |
References
- VDB-430463 | Linksys E5600 Login mesh_login.cgi improper authentication vdb-entry
- VDB-430463 | CTI Indicators (IOB, IOC, IOA) permissions-required signature
- CVE-2026-121615 | CVE Analysis and Report third-party-advisory
- Submit #1023310 | Linksys E5600 1.1.0.26 Improper Authentication (CWE-287) third-party-advisory
- github.com exploit
- www.linksys.com product