Log in Start free

Vulnerability · Published Jul 14, 2025 · Assigned by VulDB

CVE-2025-7574LB-LINK BL-WR9000 Web Interface lighttpd.cgi restore improper authentication

Critical 9.8

In plain English

A critical-severity improper authentication in BL-AC1900 from LB-LINK. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 59% of all known vulnerabilities).

Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.9%top 41.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

A vulnerability, which was classified as critical, was found in LB-LINK BL-AC1900, BL-AC2100_AZ3, BL-AC3600, BL-AX1800, BL-AX5400P and BL-WR9000 up to 20250702. Affected is the function reboot/restore of the file /cgi-bin/lighttpd.cgi of the component Web Interface. The manipulation leads to improper authentication. It is possible to launch 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.

Affected products (as reported)

VendorProductVersions
LB-LINK BL-AC1900 20250702
LB-LINK BL-AC2100_AZ3 20250702
LB-LINK BL-AC3600 20250702
LB-LINK BL-AX1800 20250702
LB-LINK BL-AX5400P 20250702
LB-LINK BL-WR9000 20250702

Weakness: CWE-287 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:W/RC:R

References