CVE-2025-54510: AMD EPYC™ 9004 Series Processors · Missing Lock Check
Affects AMD EPYC™ 9004 Series ProcessorsSource CVE Database V5
Not known to be exploited · CVSS 5.9 Medium.
Data as of 29 Oct 2026, 19:04 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 1% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:N/SI:H/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 16 Apr 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| AMDAMD EPYC™ 9004 Series Processors | Affected– | Fixed in– |
| AMDAMD EPYC™ 7003 Series Processors | Affected– | Fixed in– |
| AMDAMD EPYC™ 9005 Series Processors | Affected– | Fixed in– |
| AMDAMD EPYC™ 8004 Series Processors | Affected– | Fixed in– |
| AMDAMD EPYC™ Embedded 7003 Series Processors | Affected– | Fixed in– |
| AMDAMD EPYC™ Embedded 9004 Series Processors | Affected– | Fixed in– |
AI-suggested
Since the vulnerability requires local administrative privileges, limiting administrative access and monitoring for unauthorized changes to MMIO routing may reduce risk. Check AMD's official advisories regularly for updates on patches or mitigations.
Description
CVE-2025-54510 is a vulnerability in AMD EPYC 9004 Series Processors involving a missing lock verification in the AMD Secure Processor firmware. This flaw allows a locally authenticated attacker with administrative privileges to alter MMIO routing on some Zen 5-based products, which could compromise the integrity of guest systems. The vulnerability has a medium severity rating with a CVSS 4.0 score of 5.9. No patch or remediation information is currently available.