CVE-2025-62863
9.8 · CRITICALOverview
CVE-2025-62863 is a critical-severity vulnerability affecting amperecomputing ampereone_a192-32m_firmware. It was published on December 16, 2025 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical 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 PCIe driver that could result in an out-of-bounds write within PCIe driver’s S-EL0 address space.
Remediation
Check the references section for vendor advisories and patches from amperecomputing. Update ampereone_a192-32m_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| amperecomputing | ampereone_a192-32m_firmware | >= 0, < 5.4.5.1 | Affected |
| amperecomputing | ampereone_a192-26m_firmware | >= 0, < 5.4.5.1 | Affected |
| amperecomputing | ampereone_a160-28m_firmware | >= 0, < 5.4.5.1 | Affected |
| amperecomputing | ampereone_a144-33m_firmware | >= 0, < 5.4.5.1 | Affected |
| amperecomputing | ampereone_a144-26m_firmware | >= 0, < 5.4.5.1 | Affected |
| amperecomputing | ampereone_a96-36m_firmware | >= 0, < 5.4.5.1 | Affected |
| amperecomputing | ampereone_a96-36x_firmware | >= 0, < 4.4.5.2 | Affected |
| amperecomputing | ampereone_a128-34x_firmware | >= 0, < 4.4.5.2 | Affected |
| amperecomputing | ampereone_a144-24x_firmware | >= 0, < 4.4.5.2 | Affected |
| amperecomputing | ampereone_a144-27x_firmware | >= 0, < 4.4.5.2 | Affected |
Frequently Asked Questions
What is CVE-2025-62863?
CVE-2025-62863 is a critical-severity vulnerability affecting amperecomputing ampereone_a192-32m_firmware. It was published on December 16, 2025 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
How severe is CVE-2025-62863?
This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2025-62863?
Check the references section for vendor advisories and patches from amperecomputing. Update ampereone_a192-32m_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2025-62863?
CyberStrike's AI-powered security agents can automatically detect CVE-2025-62863 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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