RCE in Wavlink Wl-Wn579a3-A
CVE-2026-120195
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.
Vulnerability class: Command Injection (OS Command Injection)
Published .
CVSS v3 metric
CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Wavlink Wl-Wn579a3-A — versions 2026-03-10-94f93d4
Weakness classification (CWE)
References
- vuldb.com/vuln/429558 (technical-description, vdb-entry)
- vuldb.com/vuln/429558/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-120195 (third-party-advisory)
- vuldb.com/submit/914922 (third-party-advisory)
- github.com/pipiyyb/cve/blob/main/WAVLINK_WN579A3_CVE_wzdgwMesh_wlan_ssid.md (exploit)
Frequently asked questions
- What is CVE-2026-120195?
- CVE-2026-120195 is a critical-severity vulnerability in Wavlink Wl-Wn579a3-A, classified under Command Injection. CVSS score: 10.0/10. Published 2026-11-01.
- How severe is CVE-2026-120195?
- Critical severity. CVSS v3 base score is 10.0 out of 10.