RCE in Wavlink Wl-Wn530be1-A
CVE-2026-120198
A vulnerability has been found in WAVLINK WL-WN530BE1-A V251117. Affected is the function con_check_read_finish of the file /protocol.csp. Such manipulation of the argument group_name/IP-FROM leads to command injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure.
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-Wn530be1-A — versions V251117
Weakness classification (CWE)
References
- vuldb.com/vuln/429561 (technical-description, vdb-entry)
- vuldb.com/vuln/429561/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-120198 (third-party-advisory)
- vuldb.com/submit/918551 (third-party-advisory)
- github.com/pipiyyb/cve/blob/main/WN530BE1.md (exploit)
Frequently asked questions
- What is CVE-2026-120198?
- CVE-2026-120198 is a critical-severity vulnerability in Wavlink Wl-Wn530be1-A, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 10.0/10. Published 2026-11-01.
- How severe is CVE-2026-120198?
- Critical severity. CVSS v3 base score is 10.0 out of 10.