Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2026-16933— Power System Integer Overflow

Quick assessment

Affected
IBM Power Systems Firmware
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

IBM Power Systems Firmware是美国IBM公司的一款服务器固件管理工具。 IBM Power Systems Firmware FW1120.00版本、FW1110.00至FW1110.30版本、FW1060.00至FW1060.80版本、FW950.00至FW950.H2版本、OP940.00至OP940.a1版本和OP940.00至OP940.81版本存在数字错误漏洞，该漏洞源于BMC/FSP与主机系统之间的接口问题，具有服务账户或root权限的攻击者可读写主机系统内存的任意区域

CVSS 8.2 · High EPSS 0.12% · P2

Affected Version Matrix 6

VendorProduct Version RangeStatus
IBM Power Systems Firmware FW1120.00 affected
FW1110.00≤ FW1110.30 affected
FW1060.00≤ FW1060.80 affected
FW950.00≤ FW950.H2 affected
OP940.00≤ OP940.a1 affected
OP940.00≤ OP940.81 affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-16933

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Power System Integer Overflow
Source: CVE Program / CVE List V5
Vulnerability Description
IBM Power Systems Firmware FW1120.00, FW1110.00 through FW1110.30, FW1060.00 through FW1060.80, FW950.00 through FW950.H2, OP940.00 through OP940.a1 (Power9), and OP940.00 through OP940.81 (Power HMC) is affected by a vulnerability in the interface between the BMC/FSP and the host system. An attacker with service account or root access to the BMC/FSP can read and write arbitrary regions of host system memory, giving full control over the host system and all hosted partitions, resulting in a confidentiality, integrity, and availability impact.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
整数溢出或超界折返
Source: CVE Program / CVE List V5
Vulnerability Title
IBM Power Systems Firmware 数字错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
IBM Power Systems Firmware是美国IBM公司的一款服务器固件管理工具。 IBM Power Systems Firmware FW1120.00版本、FW1110.00至FW1110.30版本、FW1060.00至FW1060.80版本、FW950.00至FW950.H2版本、OP940.00至OP940.a1版本和OP940.00至OP940.81版本存在数字错误漏洞，该漏洞源于BMC/FSP与主机系统之间的接口问题，具有服务账户或root权限的攻击者可读写主机系统内存的任意区域
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
IBM Power Systems Firmware FW1120.00 cpe:2.3:o:ibm:power_systems_firmware:fw1120.00:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-16933

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-16933

请登录查看更多情报信息。

Vendor Advisories for CVE-2026-16933 (1)

Same Patch Batch · IBM · 2026-08-19 · 107 CVEs total

CVE-2026-15068 9.9 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16816 9.9 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16919 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16917 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16656 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16913 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16834 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16840 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16845 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16862 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16894 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16885 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16882 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16864 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16872 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16687 9.6 CRITICAL Power System Buffer Overflow
CVE-2026-16835 9.6 CRITICAL Power System Improper Certificate Validation
CVE-2026-16903 9.6 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16839 9.4 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16822 9.3 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS

Showing top 20 of 107 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Power Systems Firmware
Same vendor: IBM
Same weakness: CWE-190

V. Comments for CVE-2026-16933

No comments yet

Leave a comment