A command injection vulnerability in the API of the Wavlink WL-WN531P3 router, version M31G3.V5030.201204, allows an attacker to achieve unauthorized remote code execution via a malicious POST request through /cgi-bin/adm.cgi.
https://www.wavlink.com/en_us/product/WL-WN531P3.html
https://stigward.medium.com/wavlink-command-injection-cve-2022-23900-51988f6f15df