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. It has a CVSS v3.1 base score of 9.6 (CRITICAL).

CVE-2026-16687 has a CVSS v3.1 score of 9.6 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately. The EPSS score is 0.0021, placing it in the 0th percentile for exploitation probability.

CVE-2026-16687 affects products from ibm, specifically: power_system_e1080_\(9080-hex\), power_system_e1080_\(9080-hex\)_firmware, power_system_e1180_\(9080-heu\), power_system_e1180_\(9080-heu\)_firmware, power_system_e950_\(9040-mr9\), power_system_e950_\(9040-mr9\)_firmware, power_system_e980_\(9080-m9s\), power_system_e980_\(9080-m9s\)_firmware, power_system_h922_\(9223-22s\), power_system_h922_\(9223-22s\)_firmware, power_system_h924_\(9223-42s\), power_system_h924_\(9223-42s\)_firmware, power_system_s914_\(9009-41g\), power_system_s914_\(9009-41g\)_firmware, power_system_s922_\(9009-22g\), power_system_s922_\(9009-22g\)_firmware, power_system_s924_\(9009-42g\), power_system_s924_\(9009-42g\)_firmware. Check the affected products table above for specific version ranges.

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.