CVE-2025-4076

MEDIUM EPSS 77.4%
Published Apr 29, 20251y ago · Modified Jun 17, 20261w ago
5.3 CVSS 4.0
Medium
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Published Apr 29, 2025 1y ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
5.3
Exploitability
—
Impact
—
Vector string
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
77.4% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 2

CWE-74
CWE-77 Command Injection Injection

References 5

  • github.com https://github.com/GrayLxton/BLink_poc
  • github.com https://github.com/GrayLxton/BLink_poc/blob/main/poc.py
  • vuldb.com https://vuldb.com/?ctiid.306513
  • vuldb.com https://vuldb.com/?id.306513
  • vuldb.com https://vuldb.com/?submit.560232

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.