CVE-2025-0040 Missing authorization in AMD Ryzen™ 7040 Series Mobile Processors with Radeon™ Graphics
An attacker with physical access can read or overwrite debug registers due to improper JTAG/AXI access control, compromising data integrity and confidentiality.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-0040?
CVE-2025-0040 is a medium-severity missing authorization vulnerability in AMD Ryzen™ 7040 Series Mobile Processors with Radeon™ Graphics, published on 15 May 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Improper access control between the Joint Test Action Group (JTAG) and Advanced Extensible Interface (AXI) could allow an attacker with physical access to read or overwrite the contents of cross-chip debug (XCD) registers potentially resulting in loss of data integrity or confidentiality.
Weakness: CWE-284
Which versions are affected by CVE-2025-0040?
How do I fix CVE-2025-0040?
No fix has been published for CVE-2025-0040 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2025-0040 being exploited?
There is no known exploitation of CVE-2025-0040 in the wild and no public exploit code.
Sources
Also known as GHSA-f3qw-fm2w-5856.