{"id":"CVE-2026-75124","title":"PLANET GS-4210-16P2S V3 firmware before 3.441b260626 contains a pre-authentication memory corruption vulnerability in the web management interface where the _readHttpParam function copies an oversized HTTP query string without guaranteei…","summary":"PLANET GS-4210-16P2S V3 firmware before 3.441b260626 contains a pre-authentication memory corruption vulnerability in the web management interface where the _readHttpParam function copies an oversized HTTP query string without guaranteei…","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-120"],"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-2026-75124","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-memory-corruption-via-dispatcher-cgi-readhttpparam","label":"disclosure@vulncheck.com"}],"tags":["nvd"],"epss":0.00484,"epssPercentile":0.40714,"ingestedAt":"2026-09-08T21:11:12.287Z","slug":"CVE-2026-75124","body":"## Overview\n\nPLANET GS-4210-16P2S V3 firmware before 3.441b260626 contains a pre-authentication memory corruption vulnerability in the web management interface where the _readHttpParam function copies an oversized HTTP query string without guaranteeing NUL termination, allowing parse_query_string to process attacker-controlled data into a fixed-size stack buffer. An unauthenticated remote attacker can send an oversized GET request to dispatcher.cgi to cause denial of service of the web management interface and potentially trigger memory corruption.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}