RCE in Wavlink Wn536ax6-A
CVE-2026-120280
A vulnerability has been found in WAVLINK WN536AX6-A V260507. The impacted element is the function wireguard_cli_group handler of the file /protocol.csp of the component WireGuard. The manipulation of the argument group_id/group_name leads to os command injection. The attack may be initiated remotely. The exploit has been disclosed to the 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 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 Wn536ax6-A — versions V260507
Weakness classification (CWE)
References
- vuldb.com/vuln/429624 (technical-description, vdb-entry)
- vuldb.com/vuln/429624/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-120280 (third-party-advisory)
- vuldb.com/submit/919789 (third-party-advisory)
- github.com/pipiyyb/cve/blob/main/WAVLINK WN536AX6-A/WN536AX6-A_group_id.md (exploit)
Frequently asked questions
- What is CVE-2026-120280?
- CVE-2026-120280 is a critical-severity vulnerability in Wavlink Wn536ax6-A, classified under Command Injection. CVSS score: 10.0/10. Published 2026-11-02.
- How severe is CVE-2026-120280?
- Critical severity. CVSS v3 base score is 10.0 out of 10.