High (8.4). EPSS 0.2% chance of exploitation in the next 30 days.
The T-Head XuanTie C910 CPU in the TH1520 SoC and the T-Head XuanTie C920 CPU in the SOPHON SG2042 have instructions that allow unprivileged attackers to write to arbitrary physical memory locations, aka GhostWrite.
Severity
CVSS 3.1
8.4 high
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
0.2% chance of exploitation in the next 30 days; higher than 15% of CVEs (scores of 2026-10-31)