Signal is active with 3 mentions in latest observed window
Recommended action window: Monitor and triage in normal cycle
NVD 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.
Priority
LOW
Exploitation
NONE
PoC
NONE
Patch
NONE
Momentum
NONE
CVE-2026-121615 · CRITICAL · CVSS 10.0 A vulnerability in Linksys E5600 version 1.1.0.26 allows remote improper authentication via the mesh_login.cgi file. The vendor has not responded to disclosure. CVSS 2.0 · VulDB https://cve.new/CVE-2026-121615
🆕 New CVE Linksys E5600: remote authentication bypass in mesh_login.cgi (CVE-2026-121615) A remote attacker can bypass login checks and access the device without valid credentials. No patch listed yet https://cve.now/CVE-2026-121615?utm_source=x&utm_medium=social&utm_campaign=cvedotnow&utm_content=critical
🚨 CVE-2026-121615 (CVSS 10.0 Critical) - PoC Available Authentication bypass in Linksys E5600 mesh_login.cgi lets unauthenticated attackers bypass checks and seize full router control. ⚡ Action: Restrict WAN access and isolate device. 🔗 https://www.thehackerwire.com/vulnerability/CVE-2026-121615/ https://t.co/u3CBvFOv4e