CVE-2026-84696
High · 8.2CVSS
8.2
EPSS
0.2%
Published
Sep 2, 2026
CISA due date
—
The record
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.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|
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