OS Command Injection Vulnerability in LB-LINK BL-X26 Router
CVE-2025-9580

5.3MEDIUM

Key Information:

Vendor

Lb-link

Status
Bl-x26
Vendor
CVE Published:
28 August 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-9580?

A security issue has been identified within the LB-LINK BL-X26 router, specifically in the HTTP Handler's '/goform/set_blacklist' function. The vulnerability arises from improper handling of the 'mac' argument, which allows attackers to perform OS command injection via remote exploitation. This flaw could enable unauthorized users to execute arbitrary commands on the affected device. While the vendor was notified of this vulnerability, no response has been received, potentially leaving users at risk.

Affected Version(s)

BL-X26 1.2.8

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.

CVE-2025-9580 - Proof of Concept

References

https://vuldb.com/?id.321693
vdb-entrytechnical-description
https://vuldb.com/?ctiid.321693
signaturepermissions-required
https://vuldb.com/?submit.636083
third-party-advisory

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

QMSSDXN (VulDB User)
.
CVE-2025-9580 : OS Command Injection Vulnerability in LB-LINK BL-X26 Router