CVE-2025-9146

low-risk
Published 2025-08-19

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.

Do I need to act?

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0.21% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.6/10 Medium
NETWORK / HIGH complexity

Affected Products (1)

E5600 Firmware

Affected Vendors

Linksys

References (6)

Exploit https://github.com/IOTRes/IOT_Firmware_Update/blob/main/Linksys/E5600.md
Permissions Required https://vuldb.com/?ctiid.320525
Third Party Advisory https://vuldb.com/?id.320525
Third Party Advisory https://vuldb.com/?submit.628642
Product https://www.linksys.com/
Exploit https://github.com/IOTRes/IOT_Firmware_Update/blob/main/Linksys/E5600.md
26
/ 100
low-risk
Severity 20/34 · Moderate
Exploitability 1/34 · Minimal
Exposure 5/34 · Minimal