CVE-2025-63094

HIGH

XiangShan Nanhu V2 and Kunmighu V3 - Exposure of Sensitive Information via Speculative Execution Side-Channel

Title source: llm
STIX 2.1

Description

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.

References (2)

Core 2

Scores

CVSS v3 7.5
EPSS 0.0049
EPSS Percentile 38.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-200 CWE-203
Status published
Products (2)
xiangshan/xiangshan 2.0
xiangshan/xiangshan 3.0
Published Dec 10, 2025
Tracked Since Feb 18, 2026