CVE-2026-16687

CRITICALCVSS 9.6/10EPSS 0.21%

Last modified

CVE-2026-16687 is a critical-severity vulnerability rated 9.6/10 on the CVSS scale. 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.. EPSS estimates a 0.21% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
0.21%

10.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
IbmPower System E1180 \(9080-Heu\) Firmware>= fw1110.00, < fw1110.31
IbmPower System E1180 \(9080-Heu\) Firmwarefw1120.00
IbmPower System E1080 \(9080-Hex\) Firmware>= fw1060.00, < fw1060.81
IbmPower System S922 \(9009-22g\) Firmware>= fw950.00, < fw950.h3
IbmPower System H922 \(9223-22s\) Firmware>= fw950.00, < fw950.h3
IbmPower System S914 \(9009-41g\) Firmware>= fw950.00, < fw950.h3
IbmPower System S924 \(9009-42g\) Firmware>= fw950.00, < fw950.h3
IbmPower System H924 \(9223-42s\) Firmware>= fw950.00, < fw950.h3
IbmPower System E950 \(9040-Mr9\) Firmware>= fw950.00, < fw950.h3
IbmPower System E980 \(9080-M9s\) Firmware>= fw950.00, < fw950.h3

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2026-16687?
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.
How severe is CVE-2026-16687?
CVE-2026-16687 has a CVSS score of 9.6/10 (CRITICAL severity). The EPSS model estimates a 0.21% probability of exploitation in the next 30 days.
How do I fix CVE-2026-16687?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST