CVE-2025-62862
Last modified
CVE-2025-62862 is a medium-severity vulnerability rated 4.6/10 on the CVSS scale. 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 Boot Error Record Table driver that could result in (1) an out-of-bounds read which leaks Secure-EL0 information to a process running in Non-Secure state or (2) an out-of-bounds write which corrupts Secure or Non-Secure memory, limited to memory mapped to UEFI-MM Secure Partition by the Secure Partition Manager.. EPSS estimates a 0.10% chance of exploitation in the next 30 days.
Description
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 Boot Error Record Table driver that could result in (1) an out-of-bounds read which leaks Secure-EL0 information to a process running in Non-Secure state or (2) an out-of-bounds write which corrupts Secure or Non-Secure memory, limited to memory mapped to UEFI-MM Secure Partition by the Secure Partition Manager.
Metrics
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:L/A:L
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| 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 |
| Amperecomputing | Ampereone A144-24x Firmware | < 4.4.5.2 |
| Amperecomputing | Ampereone A144-27x Firmware | < 4.4.5.2 |
| Amperecomputing | Ampereone A160-28x Firmware | < 4.4.5.2 |
| Amperecomputing | Ampereone A192-26x Firmware | < 4.4.5.2 |
| Amperecomputing | Ampereone A192-26x Firmware | < 3.5.9.3 |
| Amperecomputing | Ampereone A192-32x Firmware | < 3.5.9.3 |
References
- https://amperecomputing.com/products/product-securityVendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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