{"id":"CVE-2026-84696","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-84696","summary":"Phison PS3111-S11 controller firmware versions through SBFQT1.3 expose privileged vendor unique commands over the ATA interface with absent or defeatable authentication mechanisms.…","details":"Phison PS3111-S11 controller firmware versions through SBFQT1.3 expose privileged vendor unique commands over the ATA interface with absent or defeatable authentication mechanisms. Attackers can bypass the weak CRC-16 based unlock handshake or exploit builds with no VUC lock to read and write controller memory and raw flash, persisting implants across power cycles.","published":"2026-09-02T01:17:24.560","modified":"2026-09-02T01:17:24.560","cvss":{"score":8.2,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://github.com/trulycrisp/disksec"},{"type":"WEB","url":"https://github.com/trulycrisp/psychite"},{"type":"WEB","url":"https://trulycrisp.github.io/drivefirmware/phison_s11/"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/phison-ps3111-s11-controller-firmware-missing-authentication-on-vendor-unique-commands"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-09-02T01:17:24.560"}}