CVE-2026-75122: Planet Technology Corp Planet Gs-4210-16p2s v3

High severity, CVSS 7.2. EPSS: 0.9% chance of exploitation in the next 30 days.

PLANET GS-4210-16P2S V3 firmware before 3.441b260626 contains an authenticated OS command injection vulnerability in /cgi-bin/httpuploadcert.cgi. The certificate password field in a certificate upload request is incorporated into a shell command without sanitization of shell metacharacters. A remote attacker with administrator web credentials can submit a crafted certificate upload request to execute arbitrary operating-system commands on the device.

Affected products

• Planet Technology Corp Planet Gs-4210-16p2s v3: before 3.441b260626 (fixed in 3.441b260626)

Published 2026-08-28. Last modified 2026-09-08.