CVE-2025-4148: Netgear EX6200 sub_503FC buffer overflow

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.7% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-05-01 · updated 2026-06-17
Weakness: CWE-119

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.

Affected products

Netgear EX6200: 1.0.3.94

References

https://github.com/jylsec/vuldb/blob/main/Netgear/netgear_ex6200/Buffer_overflow-sub_503FC-gui_region/README.md
https://vuldb.com/?ctiid.306680
https://vuldb.com/?id.306680
https://vuldb.com/?submit.560802
https://www.netgear.com/

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