CVE-2026-121615Critical· 10.0▾ MidnightA 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…
▾ Midnight zone — Critical, or high with PoC / in-the-wild
impact 55 · likelihood 0.2 · exploitation 0
Need a working PoC? Pro members can cast a request and our team develops one — it lands right here.
Exploit-prediction probability, daily snapshots since Nov 5.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
0.8%
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.
E5600 1.1.0.26Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-121933Critical· 10.0Linksys E5350 Setup Wizard apply.cgi save_settings missing authentication
CVE-2026-121617High· 7.5Linksys E5600 Header upload_fw.cgi init_multipart out-of-bounds write
CVE-2026-121618Medium· 5.3Linksys E5600 Factory Quality Control fqc.cgi information disclosure
CVE-2026-121616Medium· 5.3Linksys E5600 JSON Request mesh_login.cgi strcpy out-of-bounds write
CVE-2026-121932Critical· 10.0Linksys E5350 apply.cgi system os command injection
CVE-2026-121931Critical· 9.1Linksys WRT54GL Traceroute Diagnostic Function apply.cgi system os command injection