High severity · published Aug 19, 2025
CVE-2025-9146
A flaw has been found in Linksys E5600 1.1.0.26
8.1
CVSS
0.6%
EPSS
No
On KEV
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
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 46% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EF
E5600 Firmware · Linksys
1.1.0.26 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-9146
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-9146
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/
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