---
id: CVE-2026-16832
title: >-
  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
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 attacker with
  authenticated HMC admin…
severity: high
cvss: 8.4
cvssVector: 'CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H'
cwe:
  - CWE-121
published: '2026-08-19'
updated: '2026-08-22'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-16832'
references:
  - url: 'https://www.ibm.com/support/pages/node/7283895'
    label: psirt@us.ibm.com
tags:
  - nvd
epss: 0.00318
epssPercentile: 0.22199
ingestedAt: '2026-08-22T22:38:27.279Z'
---

## Overview

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 attacker with authenticated HMC administrator access can execute arbitrary code on the service processor, giving full control over the managed system, resulting in a confidentiality, integrity, and availability impact.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.