RCE in Wavlink Wl-Wn579a3

CVE-2026-2528

A vulnerability was identified in Wavlink WL-WN579A3 up to 20210219. Affected by this vulnerability is the function Delete_Mac_list of the file /cgi-bin/wireless.cgi. The manipulation of the argument delete_list leads to command injection. Remote exploitation of the attack is possible. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

EPSS: 0.079 (94.1th percentile) — read the EPSS interpretation.

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.

Affected products

Weakness classification (CWE)

References

  • cna@vuldb.com (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
  • cna@vuldb.com (signature, Permissions Required, permissions-required, VDB Entry)
  • cna@vuldb.com (VDB Entry, Third Party Advisory, third-party-advisory)
  • cna@vuldb.com (Exploit, Third Party Advisory, exploit)

Frequently asked questions

What is CVE-2026-2528?
CVE-2026-2528 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-2026-2528?
Medium severity. CVSS v3 base score is 6.3 out of 10.