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CVE-2025-4148: Netgear EX6200 sub_503FC buffer overflow

8.7 CVSS

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. Eine Schwachstelle wurde in Netgear EX6200 1.0.3.94 gefunden. Sie wurde als kritisch eingestuft. Davon betroffen ist die Funktion sub_503FC. Dank der Manipulation des Arguments host mit unbekannten Daten kann eine buffer overflow-Schwachstelle ausgenutzt werden. Der Angriff kann über das Netzwerk erfolgen.

Classification

CVE ID: CVE-2025-4148

CVSS Base Severity: HIGH

CVSS Base Score: 8.7

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Problem Types

Buffer Overflow Memory Corruption

Affected Products

Vendor: Netgear

Product: EX6200

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.2% (probability of being exploited)

EPSS Percentile: 42.35% (scored less or equal to compared to others)

EPSS Date: 2025-05-29 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2025-4148
https://vuldb.com/?id.306680
https://vuldb.com/?ctiid.306680
https://vuldb.com/?submit.560802
https://github.com/jylsec/vuldb/blob/main/Netgear/netgear_ex6200/Buffer_overflow-sub_503FC-gui_region/README.md
https://www.netgear.com/

Timeline