CVE-2025-4076

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

MEDIUM
6.3
CVSS Score
Published: April 29, 2025 at 06:00 PM UTC
Updated: June 17, 2026 at 09:32 AM UTC
1 product affected across 1 vendorBL-AC3600

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Severity
MEDIUM6.3
Exploit prediction
EPSS 20%
SSVC
PoC

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.3MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-74CWE-77

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