{"id":"CVE-2021-35003","state":"PUBLISHED","title":"This vulnerability allows remote attackers to execute arbitrary code on affected installations of TP-Link Archer C90 1.0.6 Build 20200114 rel.73164(5553) routers. Authentication is","description":"This vulnerability allows remote attackers to execute arbitrary code on affected installations of TP-Link Archer C90 1.0.6 Build 20200114 rel.73164(5553) routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of DNS responses. A crafted DNS message can trigger an overflow of a fixed-length, stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-14655.","publishedAt":"2022-01-21T15:45:14.000Z","updatedAt":"2024-08-04T00:26:55.941Z","severity":{"score":9.8,"label":"Critical","version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","source":"zdi"},"assigner":"zdi","products":["TP-Link Archer C90"],"affected":[{"vendor":"TP-Link","product":"Archer C90","versions":[{"version":"1.0.6 Build 20200114 rel.73164(5553)","status":"affected"}]}],"references":["https://www.zerodayinitiative.com/advisories/ZDI-22-080/"],"weaknesses":["CWE-121"],"ingestedAt":"2026-10-29T19:48:41.709Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/35xxx/CVE-2021-35003.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-35003","state":"PUBLISHED","datePublished":"2022-01-21T15:45:14.000Z","dateUpdated":"2024-08-04T00:26:55.941Z","assignerShortName":"zdi","assignerOrgId":"99f1926a-a320-47d8-bbb5-42feb611262e","dateReserved":"2021-06-17T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"This vulnerability allows remote attackers to execute arbitrary code on affected installations of TP-Link Archer C90 1.0.6 Build 20200114 rel.73164(5553) routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of DNS responses. A crafted DNS message can trigger an overflow of a fixed-length, stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-14655."}],"affected":[{"vendor":"TP-Link","product":"Archer C90","versions":[{"version":"1.0.6 Build 20200114 rel.73164(5553)","status":"affected"}]}],"references":[{"url":"https://www.zerodayinitiative.com/advisories/ZDI-22-080/","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_0":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.8,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-121","description":"CWE-121: Stack-based Buffer Overflow","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"zdi","dateUpdated":"2022-01-21T15:45:14.000Z","orgId":"99f1926a-a320-47d8-bbb5-42feb611262e"},"credits":[{"lang":"en","value":"Team FLASHBACK: Pedro Ribeiro (@pedrib1337 | pedrib@gmail.com) + Radek Domanski (@RabbitPro)"}],"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"zdi-disclosures@trendmicro.com","ID":"CVE-2021-35003","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Archer C90","version":{"version_data":[{"version_value":"1.0.6 Build 20200114 rel.73164(5553)"}]}}]},"vendor_name":"TP-Link"}]}},"credit":"Team FLASHBACK: Pedro Ribeiro (@pedrib1337 | pedrib@gmail.com) + Radek Domanski (@RabbitPro)","data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"This vulnerability allows remote attackers to execute arbitrary code on affected installations of TP-Link Archer C90 1.0.6 Build 20200114 rel.73164(5553) routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of DNS responses. A crafted DNS message can trigger an overflow of a fixed-length, stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-14655."}]},"impact":{"cvss":{"vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.0"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-121: Stack-based Buffer Overflow"}]}]},"references":{"reference_data":[{"name":"https://www.zerodayinitiative.com/advisories/ZDI-22-080/","refsource":"MISC","url":"https://www.zerodayinitiative.com/advisories/ZDI-22-080/"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://www.zerodayinitiative.com/advisories/ZDI-22-080/","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-04T00:26:55.941Z"}}]}}}