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CVE-2026-16687

IBM Power Systems Firmware, power system e1180 (9080-heu) firmware, power system e1180 (9080-heu)

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.

CVSS
9.6
EPSS
0.21%
10.8% percentile
CISA KEV
Not listed
Published
2026.08.20
PRIORITY ASSESSMENT

Review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.21%
Technical severityCVSS 9.6

Vulnerability 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 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.

Affected product and versions

Product
IBM Power Systems Firmware, power system e1180 (9080-heu) firmware, power system e1180 (9080-heu)
Affected versions
>= FW1120.00, >= FW1110.00 <= FW1110.30, >= FW1060.00 <= FW1060.80, >= FW950.00 <= FW950.H2, >= fw1110.00 < fw1110.31, fw1120.00, >= fw1060.00 < fw1060.81, >= fw950.00 < fw950.h3
Fixed versions
Verify the fixed release separately for each affected product line

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that IBM Power Systems Firmware, power system e1180 (9080-heu) firmware, power system e1180 (9080-heu) and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CWE
CWE-121