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TI-2025-43909 Aliases CVE-2025-58773GHSA-vpw8-537w-hff5

Out-of-bounds write in AMI AptioV BIOS allows code execution

Priority LOW 32CWE-787Published · Updated

Key facts

Attack vector
Local
Privileges required
High
User interaction
None
Attack complexity
High
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

Summary

AMI AptioV BIOS from AptioV_5.0 before AptioV_5.044 contains an out-of-bounds write (CWE-787). A local user with high privileges can trigger a write outside the intended memory buffer. Successful exploitation can cause buffer overflows, memory corruption and arbitrary code execution, affecting confidentiality, integrity and availability.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

Description from the CNA

AMI APTIOV contains vulnerabilities in BIOS where users may cause  "Out-of-bounds Write” by local access. Successful exploitation of this vulnerability could lead to buffer overflows, memory corruption, and arbitrary code execution, and also impact Confidentiality, Integrity, and Availability.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00112 1st percentileScored 2026-11-07
Fix Fixed AptioV (AMI): AptioV_5.044

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
AMIAptioVAptioV_5.0 to before AptioV_5.044AptioV_5.044Patch availableCNA
  • AptioV VendorAMI Affected AptioV_5.0 to before AptioV_5.044 Fixed in AptioV_5.044 Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:o:ami:aptio_v:*:*:*:*:*:*:*:*——AMI
  • cpe:2.3:o:ami:aptio_v:*:*:*:*:*:*:*:* Versions — — ·AMI

Remediation

AMI AptioV is fixed in AptioV_5.044.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

  • Fix · CNA AptioV (AMI) Fixed in AptioV_5.044

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    AMI AptioV AptioV_5.044

    3 records Highest priority Priority LOW 3 LOW

    Other records, highest priority first

    • TI-2025-43908 Buffer overflow in AMI AptioV BIOS firmware allows local code executionPriority LOW 36
    • TI-2025-43907 Integer overflow in AMI AptioV BIOS enables memory corruptionPriority LOW 32
    Show all 3 records →

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-13 Threatist record created from CVE-2025-58773
  2. 2026-10-13 Alias added: GHSA-vpw8-537w-hff5
  3. 2026-11-06 Affected versions changed · Red Hat
  4. 2026-11-06 CVSS score added · Red Hat

References

Other 1

  • TI-2024-36205 Redfish Authentication Bypass KEVCVSS 4.0CRITICAL 10.0
  • TI-2022-19108 The arbitrary write vulnerability in S3Resume2Pei leads to arbitrary code execution during PEI phase. CVSS 3.1HIGH 8.2
  • TI-2022-19103 Stack overflow vulnerability in SMI handler on SmmSmbiosElog. CVSS 3.1HIGH 8.8
  • TI-2022-19107 SMM memory corruption vulnerability in OverClockSmiHandler SMM driver CVSS 3.1HIGH 8.2
  • TI-2022-10117 Stack-based buffer overflow in AMI Aptio CVSS 3.1HIGH 8.2
  • TI-2022-19101 Arbitrary write vulnerability in SbPei module leads to arbitrary code execution during PEI phase. CVSS 3.1HIGH 7.2
See all 68 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences