by Kastro CVE-2026-16835
IBM Power Systems Firmware — Power System Improper Certificate Validation
Description · from the CVE record
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 FSP management network protocol. An unauthenticated attacker on the management network can bypass authentication and perform any administrative operation on the managed system, including control of partition power state, configuration, and console access across all hosted partitions, resulting in a confidentiality, integrity, and availability impact to the managed system.
Affected
ProductAffectedFixed inSource
Power Systems FirmwareFW1120.00–CNA
Power Systems FirmwareFW1110.00 – FW1110.30–CNA
Power Systems FirmwareFW1060.00 – FW1060.80–CNA
Power Systems FirmwareFW950.00 – FW950.H2–CNA
Scores by source
ibm (CNA)9.6CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total