CVE-2022-2487: WAVLINK WN535K2/WN535K3 nightled.cgi os command injection

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 79.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2022-07-20 · updated 2026-06-17
Weakness: CWE-78

Description

A vulnerability has been found in WAVLINK WN535K2 and WN535K3 and classified as critical. This vulnerability affects unknown code of the file /cgi-bin/nightled.cgi. The manipulation of the argument start_hour leads to os command injection. The exploit has been disclosed to the public and may be used.

Affected products

Wavlink Wl-Wn535K2 Firmware: all versions
Wavlink Wl-Wn535K3 Firmware: all versions

References

https://github.com/1angx/webray.com.cn/blob/main/Wavlink/Wavlink%20nightled.cgi%20.md
https://vuldb.com/?id.204538
https://github.com/1angx/webray.com.cn/blob/main/Wavlink/Wavlink%20nightled.cgi%20.md
https://vuldb.com/?id.204538

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