CVE-2026-16835

Summary

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 Software

VendorProductVersion RangeStatus
IBMPower Systems FirmwareFW1120.00affected
IBMPower Systems FirmwareFW1110.00 <= FW1110.30affected
IBMPower Systems FirmwareFW1060.00 <= FW1060.80affected
IBMPower Systems FirmwareFW950.00 <= FW950.H2affected

Weaknesses

  • CWE-295: CWE-295 Improper Certificate Validation

Workarounds

Protect access to the FSP's network interface.

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: total

References