Vulnerability in Linksys E5600
CVE-2025-9146
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.
Vulnerability class: POODLE (CVE-2014-3566)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.6 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.005 (42.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 42.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Linksys E5600 — versions 1.1.0.26
- Linksys E5600 Firmware — versions 1.1.0.26
Weakness classification (CWE)
Public proof-of-concept exploits
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/IOTRes/IOT_Firmware_Update/blob/main/Linksys/E5600.md (Exploit, Third Party Advisory, patch)
- www.linksys.com/ (Product, product)
Frequently asked questions
- What is CVE-2025-9146?
- CVE-2025-9146 is a medium-severity vulnerability in Linksys E5600, classified under Cryptographic Issues. CVSS score: 6.6/10. Published 2025-08-19.
- How severe is CVE-2025-9146?
- Medium severity. CVSS v3 base score is 6.6 out of 10.
- Is CVE-2025-9146 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.