CVE-2022-38694
In BootRom, there is a possible unchecked write address. This could lead to local escalation of privilege with no additional execution privileges needed.
- Published
- Sep 1, 2025
- Updated
- Sep 2, 2025
- Assigning CNA
- Unisoc
- Evidence observed
- Aug 4, 2026
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HLow · next 30 days
- Percentile
- 47.1%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
In BootRom, there is a possible unchecked write address. This could lead to local escalation of privilege with no additional execution privileges needed.
Sources
12This is a one-time signature verification bypass. For persistent signature verification bypass, check https://github.com/TomKing062/CVE-2022-38691_38692
- vankyo-s30-bootloader-unlockExploit
Vankyo MatrixPad S30 (Unisoc SC9863A) — Bootloader unlock via CVE-2022-38694 FDL1 method
- spd_flasherExploit
CVE-2022-38694 Hardened Exploit - RP2350 USB Host Auto Flasher for Unisoc devices
Responsible use
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