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        "cveId": "CVE-2026-65200",
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        "state": "PUBLISHED",
        "assignerShortName": "runZero",
        "dateReserved": "2026-07-21T20:14:38.328Z",
        "datePublished": "2026-10-13T14:19:51.462Z",
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            "title": "Huawei malicious on-bus PLDM or NCSI device can drive out-of-bounds-heap reads via short MCTP responses",
            "datePublic": "2026-10-13T14:00:00.000Z",
            "problemTypes": [
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                            "lang": "en",
                            "cweId": "CWE-191",
                            "description": "CWE-191 Integer underflow (wrap or wraparound)",
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                    "vendor": "Huawei",
                    "product": "openBMC",
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                            "version": "0",
                            "lessThanOrEqual": "26.06",
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                    "value": "The openUBMC device-management process parses PLDM-over-MCTP and NCSI-over-MCTP responses from on-bus devices, and three response parsers in the shared transport libraries subtract a fixed header or reserved-field size from a device-supplied response length without a lower-bound check. An undersized response wraps the unsigned length difference to a very large value, and the parser then reads far past the response buffer. The affected code sits in the base (non-vendor) PLDM control class and the Huawei NCSI driver, so it is reachable for any PLDM endpoint or Huawei NIC on the internal management bus, unlike the vendor-specific wangxun parser tracked separately.",
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                            "value": "The openUBMC device-management process parses PLDM-over-MCTP and NCSI-over-MCTP responses from on-bus devices, and three response parsers in the shared transport libraries subtract a fixed header or reserved-field size from a device-supplied response length without a lower-bound check. An undersized response wraps the unsigned length difference to a very large value, and the parser then reads far past the response buffer. The affected code sits in the base (non-vendor) PLDM control class and the Huawei NCSI driver, so it is reachable for any PLDM endpoint or Huawei NIC on the internal management bus, unlike the vendor-specific wangxun parser tracked separately."
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            "references": [
                {
                    "url": "https://www.runzero.com/advisories/huawei-malicious-device-integer-underflow-cve-2026-65200",
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                        "attackComplexity": "LOW",
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                        "userInteraction": "NONE",
                        "scope": "UNCHANGED",
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                        "integrityImpact": "NONE",
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