{
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    "cveMetadata": {
        "cveId": "CVE-2026-16687",
        "assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522",
        "state": "PUBLISHED",
        "assignerShortName": "ibm",
        "dateReserved": "2026-07-23T00:09:08.103Z",
        "datePublished": "2026-08-19T18:56:41.912Z",
        "dateUpdated": "2026-08-22T03:56:02.086Z"
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                "shortName": "ibm",
                "dateUpdated": "2026-08-19T18:56:55.611Z"
            },
            "title": "Power System Buffer Overflow",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "cweId": "CWE-121",
                            "description": "CWE-121 Stack-based Buffer Overflow",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "IBM",
                    "product": "Power Systems Firmware",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "FW1120.00"
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                        {
                            "status": "affected",
                            "version": "FW1110.00",
                            "lessThanOrEqual": "FW1110.30",
                            "versionType": "semver"
                        },
                        {
                            "status": "affected",
                            "version": "FW1060.00",
                            "lessThanOrEqual": "FW1060.80",
                            "versionType": "semver"
                        },
                        {
                            "status": "affected",
                            "version": "FW950.00",
                            "lessThanOrEqual": "FW950.H2",
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                    "cpes": [
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                        "cpe:2.3:o:ibm:power_systems_firmware:fw1110.30:*:*:*:*:*:*:*",
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                        "cpe:2.3:o:ibm:power_systems_firmware:fw1060.80:*:*:*:*:*:*:*",
                        "cpe:2.3:o:ibm:power_systems_firmware:fw950.00:*:*:*:*:*:*:*",
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                    "lang": "en",
                    "value": "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.",
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                        }
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                }
            ],
            "references": [
                {
                    "url": "https://www.ibm.com/support/pages/node/7283893",
                    "tags": [
                        "vendor-advisory",
                        "patch"
                    ]
                }
            ],
            "metrics": [
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                    "format": "CVSS",
                    "scenarios": [
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                            "lang": "en",
                            "value": "GENERAL"
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                    ],
                    "cvssV3_1": {
                        "version": "3.1",
                        "attackVector": "ADJACENT_NETWORK",
                        "attackComplexity": "LOW",
                        "privilegesRequired": "NONE",
                        "userInteraction": "NONE",
                        "scope": "CHANGED",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "HIGH",
                        "availabilityImpact": "HIGH",
                        "baseSeverity": "CRITICAL",
                        "baseScore": 9.6,
                        "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H"
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            ],
            "workarounds": [
                {
                    "lang": "en",
                    "value": "Protect access to the FSP's network interface.",
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            "solutions": [
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                    "lang": "en",
                    "value": "IBM strongly recommends customers with the products below install FW1120.01(1120_167), FW1110.31(1110_134) or newer to remediate this vulnerability as soon as possible.\nPower 11\n1) IBM Power System E1180 (9080-HEU)\nIBM strongly recommends customers with the products below install FW1060.81(1060_184) or newer to remediate this vulnerability as soon as possible.\nPower 10\n1) IBM Power System E1080 (9080-HEX)\nIBM strongly recommends customers with the products below install FW950.H3(950_230) or newer to remediate this vulnerability as soon as possible.\nPower 9\n1) IBM Power System S922 (9009-22G)\n2) IBM Power System H922 (9223-22S)\n3) IBM Power System S914 (9009-41G)\n4) IBM Power System S924 (9009-42G)\n5) IBM Power System H924 (9223-42S)\n6) IBM Power System E950 (9040-MR9)\n7) IBM Power System E980 (9080-M9S)\nThe images mentioned above can be located at IBM Fix Central : https://www.ibm.com/support/fixcentral/",
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                            "value": "<p>IBM strongly recommends customers with the products below install FW1120.01(1120_167), FW1110.31(1110_134) or newer to remediate this vulnerability as soon as possible.</p><p>Power 11<br/>1) IBM Power System E1180 (9080-HEU)</p><p>IBM strongly recommends customers with the products below install FW1060.81(1060_184) or newer to remediate this vulnerability as soon as possible.</p><p>Power 10<br/>1) IBM Power System E1080 (9080-HEX)</p><p>IBM strongly recommends customers with the products below install FW950.H3(950_230) or newer to remediate this vulnerability as soon as possible.</p><p>Power 9<br/>1) IBM Power System S922 (9009-22G)<br/>2) IBM Power System H922 (9223-22S)<br/>3) IBM Power System S914 (9009-41G)<br/>4) IBM Power System S924 (9009-42G)<br/>5) IBM Power System H924 (9223-42S)<br/>6) IBM Power System E950 (9040-MR9)<br/>7) IBM Power System E980 (9080-M9S)</p><p>The images mentioned above can be located at IBM Fix Central : <a href=\"https://www.ibm.com/support/fixcentral/\" rel=\"noopener noreferrer nofollow\">https://www.ibm.com/support/fixcentral/</a></p>"
                        }
                    ]
                }
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                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-08-21T00:00:00+00:00",
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                                        "Exploitation": "none"
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                                        "Automatable": "no"
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