CVE-2026-1871

{"id": "CVE-2026-1871", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.8}], "cvssMetricV40": [{"type": "Secondary", "source": "f23511db-6c3e-4e32-a477-6aa17d310630", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 7.1, "Automatable": "NOT_DEFINED", "attackVector": "ADJACENT", "baseSeverity": "HIGH", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "NONE", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "published": "2026-06-02T17:16:26.967", "references": [{"url": "https://www.tp-link.com/en/support/download/tapo-c200/v5/#Firmware-Release-Notes", "tags": ["Release Notes"], "source": "f23511db-6c3e-4e32-a477-6aa17d310630"}, {"url": "https://www.tp-link.com/kr/support/download/tapo-c200/#Firmware-Release-Notes", "tags": ["Release Notes"], "source": "f23511db-6c3e-4e32-a477-6aa17d310630"}, {"url": "https://www.tp-link.com/us/support/download/tapo-c200/v5/#Firmware-Release-Notes", "tags": ["Release Notes"], "source": "f23511db-6c3e-4e32-a477-6aa17d310630"}, {"url": "https://www.tp-link.com/us/support/faq/5113/", "tags": ["Vendor Advisory"], "source": "f23511db-6c3e-4e32-a477-6aa17d310630"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "f23511db-6c3e-4e32-a477-6aa17d310630", "description": [{"lang": "en", "value": "CWE-121"}]}], "descriptions": [{"lang": "en", "value": "TP-Link Tapo C200 v5 contains a stack-based buffer overflow flaw in RTSP authentication handling due to improper validation of Authorization header field lengths, which can be triggered by a crafted authentication request.\n\nSuccessful exploitation causes the affected RTSP core service process to crash and triggers an automatic system reboot, resulting in a denial of service (DoS) condition. This prevents legitimate users from accessing the camera\u2019s live video stream or management interface until the service restarts."}], "lastModified": "2026-06-04T17:41:24.973", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:tp-link:tapo_c200_firmware:1.0.5:build_240327:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "05C15E7C-DAED-4332-B38E-492608EA97CD"}, {"criteria": "cpe:2.3:o:tp-link:tapo_c200_firmware:1.0.12:build_240527:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "729217F5-CB01-4B88-BDC0-4765DF737758"}, {"criteria": "cpe:2.3:o:tp-link:tapo_c200_firmware:1.0.13:build_240619:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "544121C2-D1BA-4FF5-9DA8-26CD67119774"}, {"criteria": "cpe:2.3:o:tp-link:tapo_c200_firmware:1.0.17:build_240806:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "950B6D8F-158C-4DC6-BDC0-6923B0836DAF"}, {"criteria": "cpe:2.3:o:tp-link:tapo_c200_firmware:1.1.4:build_241219:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0AA70F8C-56CA-4A9E-8BFE-4B8BE5127015"}, {"criteria": "cpe:2.3:o:tp-link:tapo_c200_firmware:1.1.8:build_250310:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "800DB4F6-511D-489F-A500-CF1575A86539"}, {"criteria": "cpe:2.3:o:tp-link:tapo_c200_firmware:1.2.3:build_250610:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "40E223AB-51B4-4843-A82F-32145A89CFFA"}, {"criteria": "cpe:2.3:o:tp-link:tapo_c200_firmware:1.3.1:build_250910:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "98638E32-86B0-451C-96CA-E39C092CEB49"}, {"criteria": "cpe:2.3:o:tp-link:tapo_c200_firmware:1.3.3:build_251119:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C7BC3B8D-0AAB-472A-9DC3-1FCACD246183"}, {"criteria": "cpe:2.3:o:tp-link:tapo_c200_firmware:1.3.5:build_260228:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "340E2167-A8D1-4B17-904F-895574C9A3FF"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:tp-link:tapo_c200:5:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "DF4B31A6-FDFD-41C5-9BEF-114B290CCBAE"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "f23511db-6c3e-4e32-a477-6aa17d310630"}