How severe is CVE-2025-4148?

CVE-2025-4148 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-4148 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-4148?

CVE-2025-4148 affects Netgear Ex6200 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-4148?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-4148 have an EU (EUVD) identifier?

Yes. CVE-2025-4148 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-14998.

When was CVE-2025-4148 published?

CVE-2025-4148 was published on 2025-05-01 and last updated on 2026-06-17.

CVE-2025-4148

CVE-2025-4148 is a high-severity vulnerability in Netgear Ex6200 Firmware with a CVSS 3.x base score of 8.8. 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-120.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 9.0
CVSS v4: 8.7
EPSS exploit prediction: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-14998
Weakness: CWE-120
Affected product: Netgear Ex6200 Firmware
Published: 2025-05-01
Last modified: 2026-06-17

Description

A vulnerability was found in Netgear EX6200 1.0.3.94 and classified as critical. Affected by this issue is the function sub_503FC. The manipulation of the argument host leads to buffer overflow. The attack may be launched remotely. The vendor was contacted early about this disclosure but did not respond in any way.

Frequently asked questions

What is CVE-2025-4148?: A vulnerability was found in Netgear EX6200 1.0.3.94 and classified as critical. Affected by this issue is the function sub_503FC. The manipulation of the argument host leads to buffer overflow. The attack may be launched remotely. The vendor was contacted early about this disclosure but did not respond in any way.
How severe is CVE-2025-4148?: CVE-2025-4148 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-4148 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-4148?: CVE-2025-4148 affects Netgear Ex6200 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-4148?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-4148 have an EU (EUVD) identifier?: Yes. CVE-2025-4148 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-14998.
When was CVE-2025-4148 published?: CVE-2025-4148 was published on 2025-05-01 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:netgear:ex6200_firmware:1.0.3.94:*:*:*:*:*:*:*

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