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Vulnerability record · CVE-2025-63094 · published 10 December 2025

CVE-2025-63094: Xiangshan information exposure vulnerability

Xiangshan · Xiangshan

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.

7.5 CVSS 3.1 High EPSS 0.58% · top 54.4% CWE-200 · Information exposureCWE-203 · Observable discrepancy
7.5CVSS 3.1 base score
0.58%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/necst/aca25-xiangshan-spectre ExploitThird Party Advisory
https://github.com/necst/aca25-xiangshan-spectre/blob/main/README.md ExploitThird Party Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2025-63094), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.