Vulnerability · Published Feb 16, 2026 · Assigned by VulDB

CVE-2026-2526Wavlink WL-WN579A3 wireless.cgi multi_ssid command injection

Medium 6.3

In plain English

A medium-severity command injection in WL-WN579A3 from Wavlink. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 9.2% (higher than 95% of all known vulnerabilities).

Severity (CVSS 3.1)6.3Medium

Exploit odds (30 days)9.2%top 4.7% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

Vendor	Product	Versions
Wavlink	WL-WN579A3	20210219

Weakness: CWE-77, CWE-74 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

References

VDB-346114 | Wavlink WL-WN579A3 wireless.cgi multi_ssid command injection vdb-entry, technical-description
VDB-346114 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
Submit #748073 | Wavlink WN579A3 20210219 Command Injection third-party-advisory
https://github.com/MRAdera/IoT-Vuls/blob/main/wavlink/wn579a3/multi_ssid.md exploit