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

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 9.2% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-02-16 · updated 2026-06-17
Weakness: CWE-74

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

Wavlink WL-WN579A3: through 2021-02-19

References

https://github.com/MRAdera/IoT-Vuls/blob/main/wavlink/wn579a3/multi_ssid.md
https://vuldb.com/?ctiid.346114
https://vuldb.com/?id.346114
https://vuldb.com/?submit.748073

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