Command Injection Vulnerability in WAVLINK WL-WN530BE1-A Router
CVE-2026-120198

10CRITICAL

Key Information:

Vendor

Wavlink

Status
Wl-wn530be1-a
Vendor
CVE Published:
1 November 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-120198?

A command injection vulnerability exists in the WAVLINK WL-WN530BE1-A router's con_check_read_finish function located in the /protocol.csp file. This flaw allows attackers to manipulate the argument group_name/IP-FROM, potentially leading to remote command execution. The vulnerability has been disclosed widely and, while the vendor was notified of its existence early on, users should take immediate measures to safeguard their devices.

Affected Version(s)

WL-WN530BE1-A V251117

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-2026-120198 - Proof of Concept

References

https://vuldb.com/vuln/429561
vdb-entrytechnical-description
https://vuldb.com/vuln/429561/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-120198
third-party-advisory

CVSS V4

Score:
10
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
.