OS Command Injection Vulnerability in LB-LINK AC1900 Router
CVE-2025-1610

5.3MEDIUM

Key Information:

Vendor
Lb-link
Status
Ac1900 Router
Vendor
CVE Published:
24 February 2025

Badges

👾 Exploit Exists🟡 Public PoC

Summary

A critical OS command injection vulnerability exists in the LB-LINK AC1900 Router version 1.0.2. This issue arises in the websGetVar function of the /goform/set_blacklist file, where improper handling of the mac/enable argument allows for the execution of arbitrary OS commands. Because this vulnerability can be exploited remotely, it poses a significant threat, and active exploitation attempts have been publicly disclosed. Despite early notifications, the vendor has yet to issue a response regarding this serious flaw.

Affected Version(s)

AC1900 Router 1.0.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

References

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

h0lyduck (VulDB User)
.