OS Command Injection Vulnerability in WAVLINK WN536AX6-A by WAVLINK
CVE-2026-120282

9.4CRITICAL

Key Information:

Vendor

Wavlink

Status
Wn536ax6-a
Vendor
CVE Published:
2 November 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-120282?

A significant OS command injection vulnerability exists in the WAVLINK WN536AX6-A device due to improper handling of the 'mac' argument in the /protocol.csp file function host_black. This flaw could allow attackers to execute arbitrary commands remotely, leading to unauthorized access and potential compromise of the device. The vulnerability has been disclosed publicly, and users are advised to patch their devices to mitigate risks associated with this vulnerability.

Affected Version(s)

WN536AX6-A V260507

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-2026-120282 - Proof of Concept

References

https://vuldb.com/vuln/429626
vdb-entrytechnical-description
https://vuldb.com/vuln/429626/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-120282
third-party-advisory

CVSS V4

Score:
9.4
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
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

hackerpipi (VulDB User)
VulDB CNA Team
.