CVE-2025-9146CWE-327

Linksys E5600 Firmware checkFw.sh verify_gemtek_header risky encryption

High · published August 19, 2025

CVSS v4.0
7.5
EPSS
1%
Percentile
45.4
In the wild
Unconfirmed
What it is

A flaw has been found in Linksys E5600 1.1.0.26. The affected element is the function verify_gemtek_header of the file checkFw.sh of the component Firmware Handler. Executing manipulation can lead to risky cryptographic algorithm. The attack may be launched remotely. The attack requires a high level of complexity. The exploitability is described as difficult. The vendor was contacted early about this disclosure but did not respond in any way.

The record
Technical detail
CVSS v4.0
7.5 · HIGH
Vector
CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X
EPSS
0.00553 · 45.4th percentile
Weakness
CWE-327 · Use of a Broken or Risky Cryptographic Algorithm
Published
2025-08-19T16:02Z
EPSS history
Timeline
  • 19 AUG 16:02Z
    Linksys E5600 Firmware checkFw.sh verify_gemtek_header risky encryption
    cvelistv5