{"id":"CVE-2023-39541","state":"PUBLISHED","title":"A denial of service vulnerability exists in the ICMP and ICMPv6 parsing functionality of Weston Embedded uC-TCP-IP v3.06.01. A specially crafted network packet can lead to an out-o","description":"A denial of service vulnerability exists in the ICMP and ICMPv6 parsing functionality of Weston Embedded uC-TCP-IP v3.06.01. A specially crafted network packet can lead to an out-of-bounds read. An attacker can send a malicious packet to trigger this vulnerability.This vulnerability concerns a denial of service within the parsing an IPv6 ICMPv6 packet.","publishedAt":"2024-02-20T14:45:03.331Z","updatedAt":"2025-11-04T18:16:35.984Z","severity":{"score":5.9,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"talos"},"assigner":"talos","products":["Silicon Labs Gecko Platform","Weston Embedded uC-TCP-IP"],"affected":[{"vendor":"Silicon Labs","product":"Gecko Platform","versions":[{"version":"4.3.1.0","status":"affected"}]},{"vendor":"Weston Embedded","product":"uC-TCP-IP","versions":[{"version":"v3.06.01","status":"affected"}]}],"references":["https://talosintelligence.com/vulnerability_reports/TALOS-2023-1828","https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1828"],"weaknesses":["CWE-126"],"ingestedAt":"2026-10-29T20:06:08.715Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/39xxx/CVE-2023-39541.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-39541","state":"PUBLISHED","datePublished":"2024-02-20T14:45:03.331Z","dateUpdated":"2025-11-04T18:16:35.984Z","assignerShortName":"talos","assignerOrgId":"b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b","dateReserved":"2023-08-03T20:35:34.512Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"A denial of service vulnerability exists in the ICMP and ICMPv6 parsing functionality of Weston Embedded uC-TCP-IP v3.06.01. A specially crafted network packet can lead to an out-of-bounds read. An attacker can send a malicious packet to trigger this vulnerability.This vulnerability concerns a denial of service within the parsing an IPv6 ICMPv6 packet."}],"affected":[{"vendor":"Silicon Labs","product":"Gecko Platform","versions":[{"version":"4.3.1.0","status":"affected"}]},{"vendor":"Weston Embedded","product":"uC-TCP-IP","versions":[{"version":"v3.06.01","status":"affected"}]}],"references":[{"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2023-1828","name":"https://talosintelligence.com/vulnerability_reports/TALOS-2023-1828"}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseScore":5.9,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-126","lang":"en","description":"CWE-126: Buffer Over-read","type":"CWE"}]}],"providerMetadata":{"shortName":"talos","orgId":"b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b","dateUpdated":"2024-02-20T18:00:11.171Z"},"credits":[{"lang":"en","value":"Discovered by Francesco Benvenuto and Kelly Patterson of Cisco Talos."}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-07-22T16:36:38.309214Z","id":"CVE-2023-39541","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-07-22T16:36:45.521Z"}},{"title":"CVE Program Container","references":[{"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2023-1828","name":"https://talosintelligence.com/vulnerability_reports/TALOS-2023-1828","tags":["x_transferred"]},{"url":"https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1828"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2025-11-04T18:16:35.984Z"}}]}}}