{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-34947","assignerOrgId":"99f1926a-a320-47d8-bbb5-42feb611262e","state":"PUBLISHED","assignerShortName":"zdi","dateReserved":"2021-06-17T19:27:05.647Z","datePublished":"2024-05-07T22:54:22.897Z","dateUpdated":"2024-08-04T00:26:55.741Z"},"containers":{"cna":{"providerMetadata":{"orgId":"99f1926a-a320-47d8-bbb5-42feb611262e","shortName":"zdi","dateUpdated":"2024-05-07T22:54:22.897Z"},"title":"NETGEAR R7800 net-cgi Out-Of-Bounds Write Remote Code Execution Vulnerability","descriptions":[{"lang":"en","value":"NETGEAR R7800 net-cgi Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R7800 routers. Authentication is not required to exploit this vulnerability.\n\nThe specific flaw exists within the parsing of the soap_block_table file. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated data structure. An attacker can leverage this vulnerability to execute code in the context of root.\n. Was ZDI-CAN-13055."}],"affected":[{"vendor":"NETGEAR","product":"R7800","versions":[{"version":"1.0.2.82","status":"affected"}],"defaultStatus":"unknown"}],"problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-787","description":"CWE-787: Out-of-bounds Write","type":"CWE"}]}],"references":[{"url":"https://www.zerodayinitiative.com/advisories/ZDI-21-1116/","name":"ZDI-21-1116","tags":["x_research-advisory"]},{"url":"https://kb.netgear.com/000064044/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Routers-PSV-2021-0129","name":"vendor-provided URL","tags":["vendor-advisory"]}],"dateAssigned":"2021-06-30T13:56:51.627Z","datePublic":"2021-09-28T08:46:45.280Z","source":{"lang":"en","value":"Hoang Thach Nguyen of STAR Labs"},"metrics":[{"format":"CVSS","cvssV3_0":{"version":"3.0","vectorString":"CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":8.8,"baseSeverity":"HIGH"}}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2021-34947","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2024-05-08T14:59:27.888131Z"}}}],"affected":[{"cpes":["cpe:2.3:h:netgear:r7800:-:*:*:*:*:*:*:*"],"vendor":"netgear","product":"r7800","versions":[{"status":"affected","version":"1.0.2.82"}],"defaultStatus":"unknown"}],"providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-06-04T17:12:43.289Z"}},{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-04T00:26:55.741Z"},"title":"CVE Program Container","references":[{"url":"https://www.zerodayinitiative.com/advisories/ZDI-21-1116/","name":"ZDI-21-1116","tags":["x_research-advisory","x_transferred"]},{"url":"https://kb.netgear.com/000064044/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Routers-PSV-2021-0129","name":"vendor-provided URL","tags":["vendor-advisory","x_transferred"]}]}]}}