{"id":"CVE-2026-114353","title":"DJI CrystalSky ZS600C USB-gadget backdoor allows root command execution","summary":"Hidden functionality (undocumented backdoor) in the root-privileged 'assistant' daemon in DJI CrystalSky ZS600C firmware v0.3.9.7 through v0.6.6.9 on Android allows a physically-present attacker with USB access to execute arbitrary OS co…","severity":"high","cvss":7,"cvssVector":"CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/S:P","cvssSource":"cna","cwe":["CWE-912"],"vendor":"DJI","product":"CrystalSky ZS600C","affected":["crystalsky_zs600c >= 0.3.9.7 <= 0.6.6.9"],"published":"2026-10-23","updated":"2026-10-23","sourceUpdated":"2026-10-23T13:31:05.598Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-114353","references":[{"url":"https://cyber-defence-campus.github.io/projects/vulnerabilities/CVE-2026-114353","label":"CVE-2026-114353"}],"tags":["cve.org"],"ingestedAt":"2026-10-23T14:28:08.706Z","slug":"CVE-2026-114353","body":"## Overview\n\nHidden functionality (undocumented backdoor) in the root-privileged 'assistant' daemon in DJI CrystalSky ZS600C firmware v0.3.9.7 through v0.6.6.9 on Android allows a physically-present attacker with USB access to execute arbitrary OS commands as root by sending the hard-coded magic string 'dji26656677' to the USB-gadget serial interface (/dev/ttyGS0), after which each subsequent line is passed to system().\n\n## Affected\n\n- `crystalsky_zs600c >= 0.3.9.7 <= 0.6.6.9`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":39,"depthScoreParts":{"impact":38.5,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}