CVE-2026-84696 | BDVDB-2026-367490 Detail
Phison ElectronicsPS3111-S11 Controller Firmware
Description#
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.
Impact#
Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: local.
Weaknesses#
- CWE-306 Missing Authentication for Critical Function
References#
Exploit#
History#
- Version 1Record published in the CVE List.