CVE-2025-63094

7.5 highEPSS 0.6%

High (7.5) in xiangshan xiangshan. EPSS 0.6% chance of exploitation in the next 30 days.

XiangShan Nanhu V2 and XiangShan Kunmighu V3 were discovered to use speculative execution and indirect branch prediction, allowing attackers to access sensitive information via side-channel analysis of the data cache.

Severity

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS: 0.6% chance of exploitation in the next 30 days; higher than 47% of CVEs (scores of 2026-10-31)
CWEs: CWE-200, CWE-203
Published: 2025-12-10
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

xiangshan:xiangshan

References

https://github.com/necst/aca25-xiangshan-spectre
https://github.com/necst/aca25-xiangshan-spectre/blob/main/README.md

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