CVE-2025-62863
What it is
Ampere AmpereOne AC03 devices before 3.5.9.3, AmpereOne AC04 devices before 4.4.5.2, and AmpereOne M devices before 5.4.5.1 allow an incorrectly formed SMC call to UEFI-MM PCIe driver that could result in an out-of-bounds write within PCIe driver’s S-EL0 address space.
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 0.4% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.4% in the next 30 days (EPSS).
- Severity: 9.8 CRITICAL (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.4% · EPSS, next 30 days
- Weakness
- CWE-787 · Out-of-bounds write
- Record status
- Analyzed
Affected
- Amperecomputing Ampereone a192-32m Firmware < 5.4.5.1
- Amperecomputing Ampereone a192-26m Firmware < 5.4.5.1
- Amperecomputing Ampereone a160-28m Firmware < 5.4.5.1
- Amperecomputing Ampereone a144-33m Firmware < 5.4.5.1
- Amperecomputing Ampereone a144-26m Firmware < 5.4.5.1
- Amperecomputing Ampereone a96-36m Firmware < 5.4.5.1
- Amperecomputing Ampereone a96-36x Firmware < 4.4.5.2
- Amperecomputing Ampereone a128-34x Firmware < 4.4.5.2
Attack profile CVSS 3.1 · 9.8
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2025-62863.md and follow it. Check whether this project is affected by CVE-2025-62863. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://amperecomputing.com/products/product-security
- https://amperecomputing.com/products/security-bulletins/amp-sb-0007