Vulnerability · Published Feb 16, 2026 · Assigned by VulDB

CVE-2026-2530Wavlink WL-WN579A3 wireless.cgi AddMac 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 weakness has been identified in Wavlink WL-WN579A3 up to 20210219. This affects the function AddMac of the file /cgi-bin/wireless.cgi. This manipulation of the argument macAddr causes command injection. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks. 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-346118 | Wavlink WL-WN579A3 wireless.cgi AddMac command injection vdb-entry, technical-description
VDB-346118 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
Submit #748077 | Wavlink WN579A3 20210219 Command Injection third-party-advisory
https://github.com/MRAdera/IoT-Vuls/blob/main/wavlink/wn579a3/AddMac.md exploit