{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-71251", "assignerOrgId": "63f92e9c-2193-4c24-98a9-93640392c3d3", "state": "PUBLISHED", "assignerShortName": "Unisoc", "dateReserved": "2026-03-02T05:55:13.665Z", "datePublished": "2026-05-06T01:42:58.852Z", "dateUpdated": "2026-05-06T01:42:58.852Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "63f92e9c-2193-4c24-98a9-93640392c3d3", "shortName": "Unisoc", "dateUpdated": "2026-05-06T01:42:58.852Z"}, "affected": [{"vendor": "Unisoc (Shanghai) Technologies Co., Ltd.", "product": "SC7731E/SC9832E/SC9863A/T310/T610/T618/T7200/T7225/T7250/T7255/T7280/T7300/T8100/T9100/T8200/T8300", "versions": [{"status": "affected", "version": "Android13/Android14/Android15/Android16"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "In IMS, there is a possible system crash due to improper input validation. This could lead to remote denial of service with no additional execution privileges needed."}], "references": [{"url": "https://www.unisoc.com/en/support/product-security-bulletin/2051836844671422466"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "baseScore": 7.5, "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "cwe-20 Improper Input Validation", "type": "CWE"}]}]}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In IMS, there is a possible system crash due to improper input validation. This could lead to remote denial of service with no additional execution privileges needed."}], "id": "CVE-2025-71251", "lastModified": "2026-05-06T02:16:03.400", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "security@unisoc.com", "type": "Secondary"}]}, "published": "2026-05-06T02:16:03.400", "references": [{"source": "security@unisoc.com", "url": "https://www.unisoc.com/en/support/product-security-bulletin/2051836844671422466"}], "sourceIdentifier": "security@unisoc.com", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "Android13/Android14/Android15/Android16"}}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "product": "sc7731e", "vendor": "unisoc"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "Android13/Android14/Android15/Android16"}}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "product": "sc9832e", "vendor": "unisoc"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "Android13/Android14/Android15/Android16"}}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "product": "sc9863a", "vendor": "unisoc"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "Android13/Android14/Android15/Android16"}}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "product": "t310", "vendor": "unisoc"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "Android13/Android14/Android15/Android16"}}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "product": "t610", "vendor": "unisoc"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "Android13/Android14/Android15/Android16"}}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "product": "t618", "vendor": "unisoc"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "Android13/Android14/Android15/Android16"}}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "product": "t7200", "vendor": "unisoc"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "Android13/Android14/Android15/Android16"}}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "product": "t7225", "vendor": "unisoc"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "Android13/Android14/Android15/Android16"}}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "product": "t7250", "vendor": "unisoc"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "Android13/Android14/Android15/Android16"}}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "product": "t7255", "vendor": "unisoc"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "Android13/Android14/Android15/Android16"}}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "product": "t7280", "vendor": "unisoc"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "Android13/Android14/Android15/Android16"}}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "product": "t7300", "vendor": "unisoc"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "Android13/Android14/Android15/Android16"}}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "product": "t8100", "vendor": "unisoc"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "Android13/Android14/Android15/Android16"}}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "product": "t8200", "vendor": "unisoc"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "Android13/Android14/Android15/Android16"}}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "product": "t8300", "vendor": "unisoc"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "Android13/Android14/Android15/Android16"}}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "product": "t9100", "vendor": "unisoc"}], "created": "2026-05-06T03:30:05.883061+00:00", "title": "Remote Denial of Service via Improper Input Validation in Unisoc IMS", "updated": "2026-05-06T09:21:28.576421+00:00", "vendors": ["unisoc", "unisoc$PRODUCT$sc7731e", "unisoc$PRODUCT$sc9832e", "unisoc$PRODUCT$sc9863a", "unisoc$PRODUCT$t310", "unisoc$PRODUCT$t610", "unisoc$PRODUCT$t618", "unisoc$PRODUCT$t7200", "unisoc$PRODUCT$t7225", "unisoc$PRODUCT$t7250", "unisoc$PRODUCT$t7255", "unisoc$PRODUCT$t7280", "unisoc$PRODUCT$t7300", "unisoc$PRODUCT$t8100", "unisoc$PRODUCT$t8200", "unisoc$PRODUCT$t8300", "unisoc$PRODUCT$t9100"], "weaknesses": ["CWE-20"]}