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CVE-2026-121615

CVSS 4.0
9.3 critical
CISA KEV
Not listed
Technical details
Weakness
CWE-287
EPSS · 10 Nov 2026
0.75% · p55
Public resources
None found
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P

No VulnCrest analysis published for this CVE yet. Below is the original CNA/NVD description, unmodified.

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.

Exploits & detection

No public PoC or detection template found yet.

Timeline

  • Published: 04 Nov 2026
  • Last modified upstream: 09 Nov 2026

Sources & licenses

CVE / CVSS / CWE
NVD record ↗ (unmodified). This product uses the NVD API but is not endorsed or certified by the NVD. CVE® © The MITRE Corporation.
Exploitation
CISA KEV (CC0) · EPSS by FIRST.org
References used for the analysis
Analysis, summary and remediation
© VulnCrest

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