{"id":"CVE-2026-75121","state":"PUBLISHED","title":"PLANET GS-4210-16P2S V3 Command Injection via dispatcher.cgi web_vlan_membership_edit_dialog_post","description":"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 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.","publishedAt":"2026-08-28T15:29:54.168Z","updatedAt":"2026-09-01T20:27:01.166Z","severity":{"score":8.6,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","source":"VulnCheck"},"assigner":"VulnCheck","products":["PLANET Technology Corp. PLANET GS-4210-16P2S V3"],"affected":[{"vendor":"PLANET Technology Corp.","product":"PLANET GS-4210-16P2S V3","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"3.441b260626","versionType":"custom"}]}],"references":["https://www.planet.com.tw/en/support/security-advisory/10","https://www.vulncheck.com/advisories/planet-gs-4210-16p2s-command-injection-via-dispatcher-cgi-web-vlan-membership-edit-dialog-post"],"weaknesses":["CWE-78"],"ingestedAt":"2026-10-29T20:12:58.252Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/75xxx/CVE-2026-75121.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-75121","state":"PUBLISHED","datePublished":"2026-08-28T15:29:54.168Z","dateUpdated":"2026-09-01T20:27:01.166Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-08-17T18:39:57.660Z"},"containers":{"cna":{"title":"PLANET GS-4210-16P2S V3 Command Injection via dispatcher.cgi web_vlan_membership_edit_dialog_post","descriptions":[{"lang":"en","value":"PLANET GS-4210-16P2S V3 firmware before 3.441b260626 contains an authenticated OS command injection vulnerability in /cgi-bin/dispatcher.cgi. 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