RCE in Wavlink Wl-Wn579a3
CVE-2026-2526
A vulnerability was found in Wavlink WL-WN579A3 up to 20210219. This impacts the function multi_ssid of the file /cgi-bin/wireless.cgi. Performing a manipulation of the argument SSID2G2 results in command injection. The attack may be initiated remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.082 (94.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 94.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.079 · newest: 0.082 · change: +0.003
Affected products
- Wavlink Wl-Wn579a3 — versions 20210219
- Wavlink Wl-Wn579a3 Firmware
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/MRAdera/IoT-Vuls/blob/main/wavlink/wn579a3/multi_ssid.md (Exploit, Third Party Advisory, exploit)
Frequently asked questions
- What is CVE-2026-2526?
- CVE-2026-2526 is a medium-severity vulnerability in Wavlink Wl-Wn579a3, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.3/10. Published 2026-02-16.
- How severe is CVE-2026-2526?
- Medium severity. CVSS v3 base score is 6.3 out of 10.