High severity8.2NVD Advisory· Published Sep 2, 2026· Updated Sep 10, 2026
CVE-2026-84696
CVE-2026-84696
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.
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Affected products
1- Range: <=SBFQT1.3
Patches
Vulnerability mechanics
References
2News mentions
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