In BootRom, there is a possible unchecked write address.

published 2025-09-01 14 mo ago modified 2026-06-17 4 mo ago also EUVD-2022-41263

cvss: 7.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.6%; EPSS 0.6% chance of exploitation in 30 days, percentile 48%
public exploits: 0; none known

In BootRom, there is a possible unchecked write address. This could lead to local escalation of privilege with no additional execution privileges needed.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 14 mo ago (2025-09-02)

Exploit prediction

0.60% chance of exploitation in the next 30 days, higher than 48% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

Unisoc (Shanghai) Technologies Co., Ltd. SC9863A//T310/T610/T618/

Classification

Weakness

CWE-250 Execution with Unnecessary Privileges

References

nccgroup.com /research-blog/there-s-another-hole-in-your-soc-unisoc-rom-vulnerabilities/

Sources

CVE List CVE-2022-38694
NVD CVE-2022-38694

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary