Which versions of E5600 Firmware are affected by CVE-2025-9146?

Organizations using A flaw face notable risk from CVE-2025-9146 rated CVSS 7.5. Exploitation could compromise the security of affected deployments.

Is there a public PoC exploit available for CVE-2025-9146?

Yes, a public proof-of-concept exploit is available for CVE-2025-9146. Prioritise patching immediately. EPSS: 0.2%.

How to fix or mitigate CVE-2025-9146?

Within 30 days: Identify all affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

E5600 Firmware CVE-2025-9146

Q: What is the CVSS score of CVE-2025-9146?

CVE-2025-9146 has a CVSS 4.0 base score of 7.5 (High). CVSS vector: 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 exploitation probability: 0.2%.

HIGH

Cryptographic Issues (CWE-310)

2025-08-19 cna@vuldb.com

Linksys Information Disclosure E5600 Firmware

7.5

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

High

Privileges Required

High

User Interaction

None

Scope

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:07 vuln.today

PoC Detected

Sep 12, 2025 - 14:36 vuln.today

Public exploit code

CVE Published

Aug 19, 2025 - 16:15 nvd

HIGH 7.5

DescriptionCVE.org

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.

AnalysisAI

A flaw has been found in Linksys E5600 1.1.0.26. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-310. 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. Affected products include: Linksys E5600 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.