HIGHVulnerability
CVE-2026-84696
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.
Properties
- severity
- HIGH
- score
- 8.2
- epss_score
- 0.00149
- cve_id
- CVE-2026-84696
- signal_observed_at
- 2026-09-15T21:12:50+00:00
- vector
- CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
- published_at
- 2026-09-02T01:17:24.560
- last_modified
- 2026-09-10T15:47:22.273
- epss_percentile
- 0.04439
Related Entities (3)
ENRICHED_BY (1)
→[Source]FIRST EPSS
HAS_WEAKNESS (1)
→[Weakness]Missing Authentication for Critical Function
DESCRIBED_BY (1)
→[Source]NVD
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