RCE in Wavlink Wn579x3-D
CVE-2026-120196
A vulnerability was detected in WAVLINK WN579X3-D V250402. This affects the function port_forward of the file /cgi-bin/wapi.cgi. The manipulation of the argument Name results in os command injection. The attack may be performed from remote. The exploit is now public 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 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/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 Wn579x3-D — versions V250402
Weakness classification (CWE)
References
- vuldb.com/vuln/429559 (technical-description, vdb-entry)
- vuldb.com/vuln/429559/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-120196 (third-party-advisory)
- vuldb.com/submit/916941 (third-party-advisory)
- github.com/pipiyyb/cve/blob/main/WN579X3-D(en).md (exploit)
Frequently asked questions
- What is CVE-2026-120196?
- CVE-2026-120196 is a critical-severity vulnerability in Wavlink Wn579x3-D, classified under Command Injection. CVSS score: 9.9/10. Published 2026-11-01.
- How severe is CVE-2026-120196?
- Critical severity. CVSS v3 base score is 9.9 out of 10.