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Vulnerability · Published May 20, 2025 · Assigned by VulDB

CVE-2025-4999Linksys FGW3000-AH/FGW3000-HK HTTP POST Request sysconf.cgi sub_4153FC command injection

Medium 6.3

In plain English

A medium-severity command injection in FGW3000-AH from Linksys. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 6.9% (higher than 94% of all known vulnerabilities).

Severity (CVSS 3.1)6.3Medium
Exploit odds (30 days)6.9%top 5.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

A vulnerability was found in Linksys FGW3000-AH and FGW3000-HK up to 1.0.17.000000 and classified as critical. Affected by this issue is the function sub_4153FC of the file /cgi-bin/sysconf.cgi of the component HTTP POST Request Handler. The manipulation of the argument supplicant_rnd_id_en leads to command injection. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products (as reported)

VendorProductVersions
Linksys FGW3000-AH 1.0.01.0.11.0.21.0.31.0.41.0.51.0.61.0.7
Linksys FGW3000-HK 1.0.01.0.11.0.21.0.31.0.41.0.51.0.61.0.7

Weakness: CWE-77, CWE-74 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

References