TI-2026-83580 Aliases CVE-2026-120195 GHSA-3wx6-ffgj-fwjg

OS command injection in WAVLINK WL-WN579A3-A Initial Setup Wizard

HIGH 82CWE-77Published 2026-11-01 · Updated 2026-11-05

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Attack requirements: None
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-77.

Summary

WAVLINK WL-WN579A3-A from 2026-03-10-94f93d4 is affected. The set_wzdgwMesh function in /cgi-bin/adm.cgi of the Initial Setup Wizard does not neutralize the wlan_ssid argument before it is used in an OS command (CWE-78). A remote attacker without privileges or user interaction can inject and run OS commands on the device. The exploit has been publicly disclosed.

Written with Claude Haiku 5.5 from the sources below · 2026-11-05

Description from the CNA

A security vulnerability has been detected in WAVLINK WL-WN579A3-A 2026-03-10-94f93d4. The impacted element is the function set_wzdgwMesh of the file /cgi-bin/adm.cgi of the component Initial Setup Wizard. The manipulation of the argument wlan_ssid leads to os command injection. The attack is possible to be carried out remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.0207 81st percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by the CNA

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: Yes
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Wavlink	WL-WN579A3-A	2026-03-10-94f93d4	—	No fix listed	CNA

WL-WN579A3-A VendorWavlink Affected 2026-03-10-94f93d4 Fixed in — No fix listed CNA

CPE names CNA · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:wavlink:wl-wn579a3-a::::::::	—	—	Wavlink

cpe:2.3:a:wavlink:wl-wn579a3-a:*:*:*:*:*:*:*:* Versions — — ·Wavlink

Remediation

The sources list no fixed version for WAVLINK WL-WN579A3-A.

Written with Claude Haiku 5.5 from the sources below · 2026-11-05

Timeline

2026-11-01 Threatist record created from CVE-2026-120195
2026-11-01 Alias added: GHSA-3wx6-ffgj-fwjg
2026-11-05 CISA SSVC decision points changed
2026-11-05 Priority changed: MEDIUM → HIGH

References

Exploit 1

https://github.com/pipiyyb/cve/blob/main/WAVLINK_WN579A3_CVE_wzdgwMesh_wlan_ssid.md

TI-2022-02298 WAVLINK WN535K2/WN535K3 nightled.cgi os command injection CVSS 3.1CRITICAL 9.8
TI-2026-83752 OS command injection in WAVLINK WN551X3-A DNS resolution handler CVSS 4.0CRITICAL 10.0
TI-2026-83751 WAVLINK WN551X3-A WireGuard CLI Group ioos os command injection CVSS 4.0CRITICAL 10.0
TI-2026-83668 Stack-based overflow in WAVLINK WN536AX6-A OpenVPN handler CVSS 4.0CRITICAL 10.0
TI-2026-83667 OS command injection in WAVLINK WN536AX6-A WireGuard handler CVSS 4.0CRITICAL 10.0
TI-2026-83666 OS command injection in WAVLINK WN536AX6-A openvpn_cli handler CVSS 4.0CRITICAL 10.0

See all 248 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences