CVE-2025-9146

Name: CVE-2025-9146
Creator: NVD / NIST
Published: 2025-08-19T16:15:29.7+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.48%

Last modified Jun 17, 2026

CVE-2025-9146 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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. EPSS estimates a 0.48% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

8.1/10

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

CVSS 4.0

7.5/10

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/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 Probability

0.48%

38.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Linksys	E5600 Firmware	1.1.0.26

References

https://github.com/IOTRes/IOT_Firmware_Update/blob/main/Linksys/E5600.mdExploit, Third Party Advisory
https://vuldb.com/?ctiid.320525Permissions Required, VDB Entry
https://vuldb.com/?id.320525Third Party Advisory, VDB Entry
https://vuldb.com/?submit.628642Third Party Advisory, VDB Entry
https://www.linksys.com/Product
https://github.com/IOTRes/IOT_Firmware_Update/blob/main/Linksys/E5600.mdExploit, Third Party Advisory

Timeline

Published: Aug 19, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-9146?

How severe is CVE-2025-9146?

CVE-2025-9146 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.48% probability of exploitation in the next 30 days.

How do I fix CVE-2025-9146?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-9146?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST