{"dataType": "CVE_RECORD", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2025-62818", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2026-04-09T13:44:57.981Z", "dateReserved": "2025-10-23T00:00:00.000Z", "datePublished": "2026-04-07T00:00:00.000Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2026-04-07T14:48:46.537Z"}, "descriptions": [{"lang": "en", "value": "An issue was discovered in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 2400, 1580, 2500, 9110, W920, W930, W1000, Modem 5123, Modem 5300, and Modem 5400. An out-of-bounds write occurs due to a mismatch between the TP-UDHI and UDL values when processing an SMS TP-UD packet."}], "affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"version": "n/a", "status": "affected"}]}], "references": [{"url": "https://semiconductor.samsung.com/support/quality-support/product-security-updates/"}, {"url": "https://semiconductor.samsung.com/support/quality-support/product-security-updates/cve-2025-62818/"}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "n/a"}]}]}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-787", "lang": "en", "description": "CWE-787 Out-of-bounds Write"}]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-04-09T13:43:27.666714Z", "id": "CVE-2025-62818", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-04-09T13:44:57.981Z"}}]}, "dataVersion": "5.2"}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "An issue was discovered in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 2400, 1580, 2500, 9110, W920, W930, W1000, Modem 5123, Modem 5300, and Modem 5400. An out-of-bounds write occurs due to a mismatch between the TP-UDHI and UDL values when processing an SMS TP-UD packet."}], "id": "CVE-2025-62818", "lastModified": "2026-04-09T14:16:27.010", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2026-04-07T15:17:34.060", "references": [{"source": "cve@mitre.org", "url": "https://semiconductor.samsung.com/support/quality-support/product-security-updates/"}, {"source": "cve@mitre.org", "url": "https://semiconductor.samsung.com/support/quality-support/product-security-updates/cve-2025-62818/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,*]"}}], "enrichment": {"confidence": 80.0, "confidence_source": "inferred", "scores": [{"score": 80.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "n/a", "source": "cna", "vendor": "n/a"}, "product": "exynos", "vendor": "samsung"}], "analysis": {"en": {"generated_at": "2026-04-09T15:52:32.406802+00:00", "value": {"mitigation_remediation": ["Check Samsung\u2019s product\u2011security\u2011updates portal for firmware or software patches and apply the latest update immediately.", "If a patch is unavailable, temporarily disable the receipt of SMS messages on affected devices or block SMS traffic using device\u2011level controls.", "Monitor device logs for unexpected SMS traffic and implement network filtering to reduce exposure to potential attacks."], "summary": {"action": "Immediate Patch", "impact": "Remote Code Execution"}, "threat_synthesis": {"affected_systems": "The flaw impacts Samsung Mobile Processors, Wearable Processors, and a broad set of Modem Exynos chips, including 980, 990, 850, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 2400, 1580, 2500, 9110, W920, W930, W1000, and modem variants 5123, 5300, and 5400. Devices using these processors for mobile, wearable, or modem functionality may all be vulnerable if they have not applied the latest firmware or software update.", "description_and_impact": "An out\u2011of\u2011bounds write occurs when the processor interprets an SMS TP\u2011UD packet that contains mismatched TP\u2011UDHI and UDL values, allowing a malicious actor to overwrite memory beyond its intended bounds. This flaw can lead to arbitrary code execution, system compromise, or a crash, thereby threatening confidentiality, integrity, and availability. The weakness is classified under CWE\u2011787, representing buffer over-read or write vulnerabilities.", "risk_and_exploitability": "With a CVSS score of 9.8 the vulnerability is considered critical, while the EPSS score indicates that the probability of exploitation is low (<1\u00a0%). It is not listed in the CISA KEV catalog. The likely attack vector is via a crafted SMS packet that the device passes through its SMS processing stack, requiring no special privileges or local access."}}}}, "created": "2026-04-08T19:38:38.776842+00:00", "updated": "2026-04-10T09:41:47.724047+00:00", "vendors": ["samsung", "samsung$PRODUCT$exynos"]}