CVE-2025-4999 MEDIUM

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

Vendor Linksys
Product FGW3000-AH
Weakness CWE-77
Published May 20, 2025
Last update May 21, 2025
View on NVD All CVEs

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality —
Integrity —

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

May 20, 2025 CVE published
May 21, 2025 Record updated