{"id":"CVE-2026-75121","title":"PLANET GS-4210-16P2S V3 firmware before 3.441b260626 contains an authenticated OS command injection vulnerability in /cgi-bin/dispatcher.cgi","summary":"PLANET GS-4210-16P2S V3 firmware before 3.441b260626 contains an authenticated OS command injection vulnerability in /cgi-bin/dispatcher.cgi. The web_vlan_membership_edit_dialog_post handler incorporates the memberTags POST parameter int…","severity":"high","cvss":7.2,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-78"],"published":"2026-08-28","updated":"2026-09-08","sourceUpdated":"2026-09-08T20:20:22.260","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-75121","references":[{"url":"https://www.planet.com.tw/en/support/security-advisory/10","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/planet-gs-4210-16p2s-command-injection-via-dispatcher-cgi-web-vlan-membership-edit-dialog-post","label":"disclosure@vulncheck.com"}],"tags":["nvd"],"epss":0.01148,"epssPercentile":0.64926,"ingestedAt":"2026-09-08T21:11:12.287Z","slug":"CVE-2026-75121","body":"## Overview\n\nPLANET GS-4210-16P2S V3 firmware before 3.441b260626 contains an authenticated OS command injection vulnerability in /cgi-bin/dispatcher.cgi. The web_vlan_membership_edit_dialog_post handler incorporates the memberTags POST parameter into a shell command without sanitization. A remote authenticated attacker can send a crafted memberTags value to execute arbitrary operating-system commands on the device.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":40,"depthScoreParts":{"impact":39.6,"likelihood":0.2,"exploitation":0,"ransomware":0},"changes":[]}