How severe is CVE-2025-9146?

CVE-2025-9146 has a CVSS 3.x base score of 6.6, rated medium severity. It is exploitable over network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-9146 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-9146?

CVE-2025-9146 affects Linksys E5600 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-9146?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-9146 have an EU (EUVD) identifier?

Yes. CVE-2025-9146 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-28817.

When was CVE-2025-9146 published?

CVE-2025-9146 was published on 2025-08-19 and last updated on 2026-06-17.

CVE-2025-9146

CVE-2025-9146 is a medium-severity vulnerability in Linksys E5600 Firmware with a CVSS 3.x base score of 6.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-327.

Key facts

Severity: Medium (CVSS 3.x base score 6.6)
CVSS v2: 6.8
CVSS v4: 7.5
EPSS exploit prediction: 0% (38th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-28817
Weakness: CWE-327
Affected product: Linksys E5600 Firmware
Published: 2025-08-19
Last modified: 2026-06-17

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.

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.
How severe is CVE-2025-9146?: CVE-2025-9146 has a CVSS 3.x base score of 6.6, rated medium severity. It is exploitable over network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-9146 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-9146?: CVE-2025-9146 affects Linksys E5600 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-9146?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-9146 have an EU (EUVD) identifier?: Yes. CVE-2025-9146 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-28817.
When was CVE-2025-9146 published?: CVE-2025-9146 was published on 2025-08-19 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:linksys:e5600_firmware:1.1.0.26:*:*:*:*:*:*:*

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