CVE-2025-4076CWE-74CWE-77

LB-LINK BL-AC3600 Password lighttpd.cgi easy_uci_set_option_string_0 command injection

Medium · published April 29, 2025

CVSS v4.0
5.3
EPSS
20%
Percentile
97.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
5.3 · MEDIUM
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
EPSS
0.19768 · 97.4th percentile
Weaknesses
CWE-74 · Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection'); CWE-77 · Improper Neutralization of Special Elements used in a Command ('Command Injection')
Published
2025-04-29T18:00Z
EPSS history
Timeline
  • 29 APR 18:00Z
    LB-LINK BL-AC3600 Password lighttpd.cgi easy_uci_set_option_string_0 command injection
    cvelistv5