OS Command Injection Vulnerability in WAVLINK WN701AE Ioos Web Backend
CVE-2026-120230

9.4CRITICAL

Key Information:

Vendor

Wavlink

Status
Wn701ae
Vendor
CVE Published:
1 November 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-120230?

An OS command injection vulnerability exists in the WAVLINK WN701AE's ioos Web Backend component, specifically within the del_vlan_group function. By manipulating the vlan_name argument, an attacker can execute arbitrary commands on the operating system. This flaw enables remote exploitation, posing a significant security risk, as the exploit has already been made public. The vendor had been informed of this vulnerability promptly.

Affected Version(s)

WN701AE 260105

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-2026-120230 - Proof of Concept

References

https://vuldb.com/vuln/429589
vdb-entrytechnical-description
https://vuldb.com/vuln/429589/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-120230
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
.