Riskcovery

CVE-2026-16687

Power System Buffer Overflow

State
Published
Severity
9.6 Critical
Published
Aug 19, 2026
Updated
Aug 22, 2026
Reserved
Jul 23, 2026

Read the record on cve.org

Description

IBM Power Systems Firmware FW1120.00, FW1110.00 through FW1110.30, FW1060.00 through FW1060.80, and FW950.00 through FW950.H2 is affected by a vulnerability in the ASMI web interface. An unauthenticated attacker with network access can send the FSP a malformed request, allowing arbitrary code execution, giving the attacker full control over the managed system, resulting in a confidentiality, integrity, and availability impact.

Scores

CVSSScoreVectorSource
3.19.6 CriticalCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:Hibm

Weaknesses

  • CWE-121 Stack-based Buffer Overflow

Affected Products

ProductVersions
Power Systems FirmwareIBM
  • FW1120.00Affected
  • FW1110.00 through FW1110.30Affected
  • FW1060.00 through FW1060.80Affected
  • FW950.00 through FW950.H2Affected

References

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