CVE-2025-9146

Description

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.

CVSS v3.1 Score

6.6

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-310 CWE-310

CWE-327 CWE-327

Affected Products

Vendor	Product	Versions
linksys	e5600_firmware	All
linksys	e5600	All

References

Exploits

https://github.com/IOTRes/IOT_Firmware_Update/blob/main/Linksys/E5600.md https://github.com/IOTRes/IOT_Firmware_Update/blob/main/Linksys/E5600.md

Other References

https://vuldb.com/?ctiid.320525 https://vuldb.com/?id.320525 https://vuldb.com/?submit.628642 https://www.linksys.com/

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 6.6 (MEDIUM).

How severe is CVE-2025-9146? +

CVE-2025-9146 has a CVSS v3.1 score of 6.6 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-9146? +

CVE-2025-9146 affects products from linksys, specifically: e5600, e5600_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-9146? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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