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CVE-2025-9146

Linksys E5600 Firmware checkFw.sh verify_gemtek_header risky encryption

Published: Aug 19, 2025Updated: Sep 12, 2025 Sources: CVE List NVD BDUCWE-310
NVD MITRE
6.6CVSSMEDIUM
EPSS Score
0.5%
Top 62.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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 Vector Breakdown

AV:NAC:HPR:HUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-310CWE-327

Affected Products

E5600LinksysNetworking Infrastructure
e5600 firmwarelinksysNetworking Infrastructure
E5600Linksys Holdings, Inc.Networking Infrastructure
linksyscommercialUSNetworking Infrastructureaka linksys by cisco
linksys holdings, inc.commercialUSNetworking Infrastructureaka linksys

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Collection
View detailed technique mapping

References

https://vuldb.com/?id.320525
vuldb.com
https://vuldb.com/?ctiid.320525
vuldb.com
https://vuldb.com/?submit.628642
vuldb.com
and 3 more references View all →

Timeline

Published
Aug 19, 2025
Last Updated
Sep 12, 2025

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