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OpenAdvisories
High · 7.2 CVE-2026-75122 EUVD-2026-67782GHSA-mw79-c3fw-fm35

PLANET GS-4210-16P2S V3 Command Injection via httpuploadcert.cgi

Published Aug 28, 2026 · Updated Sep 1, 2026 · Assigned by VulnCheck

Description

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

VendorProductAffectedFixed
PLANET Technology PLANET GS-4210-16P2S V3 < 3.441b260626 3.441b260626

References