CVE-2025-4076 MEDIUM

CVE-2025-4076: LB-LINK BL-AC3600 Password lighttpd.cgi easy_uci_set_option_string_0 command injection

Vendor Lb-Link
Product BL-AC3600
Weakness CWE-77
Published April 29, 2025
Last update April 29, 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 classified as critical has been found in LB-LINK BL-AC3600 up to 1.0.22. This affects the function easy_uci_set_option_string_0 of the file /cgi-bin/lighttpd.cgi of the component Password Handler. The manipulation of the argument routepwd leads to command injection. It is possible to initiate the attack 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

April 29, 2025 CVE published
April 29, 2025 Record updated