Ampere AmpereOne AC03 devices before 3.5.9.3, AmpereOne AC04 devices before 4.4.5.2, and…
Priority MEDIUM 49CWE-787Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00365 30th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 27
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:amperecomputing:ampereone_a192-32m_firmware:*:*:*:*:*:*:*:* | before 5.4.5.1 | Vulnerable | Amperecomputing |
| cpe:2.3:h:amperecomputing:ampereone_a192-32m:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Amperecomputing |
| cpe:2.3:o:amperecomputing:ampereone_a192-26m_firmware:*:*:*:*:*:*:*:* | before 5.4.5.1 | Vulnerable | Amperecomputing |
| cpe:2.3:h:amperecomputing:ampereone_a192-26m:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Amperecomputing |
| cpe:2.3:o:amperecomputing:ampereone_a160-28m_firmware:*:*:*:*:*:*:*:* | before 5.4.5.1 | Vulnerable | Amperecomputing |
| cpe:2.3:h:amperecomputing:ampereone_a160-28m:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Amperecomputing |
| cpe:2.3:o:amperecomputing:ampereone_a144-33m_firmware:*:*:*:*:*:*:*:* | before 5.4.5.1 | Vulnerable | Amperecomputing |
| cpe:2.3:h:amperecomputing:ampereone_a144-33m:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Amperecomputing |
| cpe:2.3:o:amperecomputing:ampereone_a144-26m_firmware:*:*:*:*:*:*:*:* | before 5.4.5.1 | Vulnerable | Amperecomputing |
| cpe:2.3:h:amperecomputing:ampereone_a144-26m:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Amperecomputing |
- cpe:2.3:o:amperecomputing:ampereone_a192-32m_firmware:*:*:*:*:*:*:*:* Versions before 5.4.5.1 Vulnerable ·Amperecomputing
- cpe:2.3:h:amperecomputing:ampereone_a192-32m:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Amperecomputing
- cpe:2.3:o:amperecomputing:ampereone_a192-26m_firmware:*:*:*:*:*:*:*:* Versions before 5.4.5.1 Vulnerable ·Amperecomputing
- cpe:2.3:h:amperecomputing:ampereone_a192-26m:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Amperecomputing
- cpe:2.3:o:amperecomputing:ampereone_a160-28m_firmware:*:*:*:*:*:*:*:* Versions before 5.4.5.1 Vulnerable ·Amperecomputing
- cpe:2.3:h:amperecomputing:ampereone_a160-28m:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Amperecomputing
- cpe:2.3:o:amperecomputing:ampereone_a144-33m_firmware:*:*:*:*:*:*:*:* Versions before 5.4.5.1 Vulnerable ·Amperecomputing
- cpe:2.3:h:amperecomputing:ampereone_a144-33m:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Amperecomputing
- cpe:2.3:o:amperecomputing:ampereone_a144-26m_firmware:*:*:*:*:*:*:*:* Versions before 5.4.5.1 Vulnerable ·Amperecomputing
- cpe:2.3:h:amperecomputing:ampereone_a144-26m:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Amperecomputing
Show 17 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:amperecomputing:ampereone_a96-36m_firmware:*:*:*:*:*:*:*:* | before 5.4.5.1 | Vulnerable | Amperecomputing |
| cpe:2.3:h:amperecomputing:ampereone_a96-36m:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Amperecomputing |
| cpe:2.3:o:amperecomputing:ampereone_a96-36x_firmware:*:*:*:*:*:*:*:* | before 4.4.5.2 | Vulnerable | Amperecomputing |
| cpe:2.3:h:amperecomputing:ampereone_a96-36x:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Amperecomputing |
| cpe:2.3:o:amperecomputing:ampereone_a128-34x_firmware:*:*:*:*:*:*:*:* | before 4.4.5.2 | Vulnerable | Amperecomputing |
| cpe:2.3:h:amperecomputing:ampereone_a128-34x:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Amperecomputing |
| cpe:2.3:o:amperecomputing:ampereone_a144-24x_firmware:*:*:*:*:*:*:*:* | before 4.4.5.2 | Vulnerable | Amperecomputing |
| cpe:2.3:h:amperecomputing:ampereone_a144-24x:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Amperecomputing |
| cpe:2.3:o:amperecomputing:ampereone_a144-27x_firmware:*:*:*:*:*:*:*:* | before 4.4.5.2 | Vulnerable | Amperecomputing |
| cpe:2.3:h:amperecomputing:ampereone_a144-27x:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Amperecomputing |
| cpe:2.3:o:amperecomputing:ampereone_a160-28x_firmware:*:*:*:*:*:*:*:* | before 4.4.5.2 | Vulnerable | Amperecomputing |
| cpe:2.3:h:amperecomputing:ampereone_a160-28x:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Amperecomputing |
| cpe:2.3:o:amperecomputing:ampereone_a192-26x_firmware:*:*:*:*:*:*:*:* | before 4.4.5.2 | Vulnerable | Amperecomputing |
| cpe:2.3:h:amperecomputing:ampereone_a192-26x:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Amperecomputing |
| cpe:2.3:o:amperecomputing:ampereone_a192-26x_firmware:*:*:*:*:*:*:*:* | before 3.5.9.3 | Vulnerable | Amperecomputing |
| cpe:2.3:o:amperecomputing:ampereone_a192-32x_firmware:*:*:*:*:*:*:*:* | before 3.5.9.3 | Vulnerable | Amperecomputing |
| cpe:2.3:h:amperecomputing:ampereone_a192-32x:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Amperecomputing |
- cpe:2.3:o:amperecomputing:ampereone_a96-36m_firmware:*:*:*:*:*:*:*:* Versions before 5.4.5.1 Vulnerable ·Amperecomputing
- cpe:2.3:h:amperecomputing:ampereone_a96-36m:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Amperecomputing
- cpe:2.3:o:amperecomputing:ampereone_a96-36x_firmware:*:*:*:*:*:*:*:* Versions before 4.4.5.2 Vulnerable ·Amperecomputing
- cpe:2.3:h:amperecomputing:ampereone_a96-36x:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Amperecomputing
- cpe:2.3:o:amperecomputing:ampereone_a128-34x_firmware:*:*:*:*:*:*:*:* Versions before 4.4.5.2 Vulnerable ·Amperecomputing
- cpe:2.3:h:amperecomputing:ampereone_a128-34x:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Amperecomputing
- cpe:2.3:o:amperecomputing:ampereone_a144-24x_firmware:*:*:*:*:*:*:*:* Versions before 4.4.5.2 Vulnerable ·Amperecomputing
- cpe:2.3:h:amperecomputing:ampereone_a144-24x:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Amperecomputing
- cpe:2.3:o:amperecomputing:ampereone_a144-27x_firmware:*:*:*:*:*:*:*:* Versions before 4.4.5.2 Vulnerable ·Amperecomputing
- cpe:2.3:h:amperecomputing:ampereone_a144-27x:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Amperecomputing
- cpe:2.3:o:amperecomputing:ampereone_a160-28x_firmware:*:*:*:*:*:*:*:* Versions before 4.4.5.2 Vulnerable ·Amperecomputing
- cpe:2.3:h:amperecomputing:ampereone_a160-28x:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Amperecomputing
- cpe:2.3:o:amperecomputing:ampereone_a192-26x_firmware:*:*:*:*:*:*:*:* Versions before 4.4.5.2 Vulnerable ·Amperecomputing
- cpe:2.3:h:amperecomputing:ampereone_a192-26x:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Amperecomputing
- cpe:2.3:o:amperecomputing:ampereone_a192-26x_firmware:*:*:*:*:*:*:*:* Versions before 3.5.9.3 Vulnerable ·Amperecomputing
- cpe:2.3:o:amperecomputing:ampereone_a192-32x_firmware:*:*:*:*:*:*:*:* Versions before 3.5.9.3 Vulnerable ·Amperecomputing
- cpe:2.3:h:amperecomputing:ampereone_a192-32x:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Amperecomputing
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-62863
- 2026-10-03 Alias added: GHSA-3m34-6w3v-w8gq
References
More Amperecomputing Ampereone A128-34x Firmware vulnerabilities
- TI-2025-39014 Ampere AmpereOne AC03 devices before 3.5.9.3, AmpereOne AC04 devices before 4.4.5.2, and… CVSS 3.1CRITICAL 9.8
- TI-2025-39012 Ampere AmpereOne AC03 devices before 3.5.9.3, AmpereOne AC04 devices before 4.4.5.2, and… CVSS 3.1MEDIUM 4.6
Sources
- CVE-2025-62863 · CVE Program
- CVE-2025-62863 · NVD
- FIRST EPSS
- GHSA-3m34-6w3v-w8gq · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences