Dashboard / CVE-2026-121615

CVE-2026-121615

CRITICAL
INFO Priority: 0.07 BB Relevance: 79/100
Published: 2026-11-04 Modified: 2026-11-09 First seen: 2026-11-04 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: None
S: X
AT: None
VC: High
VI: High
VA: High

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.

Weakness Classification (1)

Affected Software (2)

VendorProductVersion
Linksys E5600 1.1.0.26
Linksys E5600 1.1.0.26

References & Advisories (6)

https://vuldb.com/submit/1023310
third-party-advisory
https://vuldb.com/vuln/430463/cti
signature permissions-required

Bug Bounty Relevance

79 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

9.3 / 10.0 v4.0
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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS — Exploitation Probability

0.75%
Raw Score 0.007540
Percentile 55.7%
Date 2026-11-14

EPSS Trend

2026-11-14
0.00754
2026-11-13
0.00754
2026-11-12
0.00754
2026-11-10
0.00754
2026-11-09
0.00754
2026-11-08
0.00754
2026-11-07
0.00754
2026-11-06
0.00754
2026-11-05
0.00754
2026-11-04
0.00754

Intelligence Sources

mitre ref →
nvd ref →

External Links