{"affected":[{"defaultStatus":"unaffected","product":"Tapo C520WS v2.6","source":"CNA: TPLink","vendor":"TP-Link Systems Inc.","versions":[{"lessThan":"1.2.4 Build 260326 Rel.24666n","status":"affected","version":"0","versionType":"custom"}]},{"defaultStatus":"unaffected","product":"Tapo C100 v5","source":"CNA: TPLink","vendor":"TP Link Systems Inc.","versions":[{"lessThan":"1.5.4 Build 260528 Rel.11462n","status":"affected","version":"0","versionType":"custom"}]},{"defaultStatus":"unaffected","product":"Tapo C101 v5","source":"CNA: TPLink","vendor":"TP Link Systems Inc.","versions":[{"lessThan":"1.5.4 Build 260528 Rel.11462n","status":"affected","version":"0","versionType":"custom"}]},{"defaultStatus":"unaffected","product":"Tapo C210 v3","source":"CNA: TPLink","vendor":"TP Link Systems Inc.","versions":[{"lessThan":"V3.6_1.2.7 Build 260818","status":"affected","version":"0","versionType":"custom"}]},{"defaultStatus":"unaffected","product":"Tapo TC70 v3","source":"CNA: TPLink","vendor":"TP Link Systems Inc.","versions":[{"lessThan":"1.9.2 Build 261009 Rel.61408n","status":"affected","version":"0","versionType":"custom"}]},{"defaultStatus":"unaffected","product":"Tapo C200 v3","source":"CNA: TPLink","vendor":"TP Link Systems Inc.","versions":[{"lessThan":"1.9.2 Build 261009 Rel.61408n","status":"affected","version":"0","versionType":"custom"}]}],"cveId":"CVE-2026-34118","cwes":["CWE-122"],"description":"A heap-based buffer overflow vulnerability was identified in multiple TP-Link Tapo cameras in the HTTP POST body parsing logic due to missing validation of remaining buffer capacity after dynamic allocation, due to insufficient boundary validation when handling externally supplied HTTP input.  \n\nAn attacker\non the same network segment could trigger heap memory corruption conditions by\nsending crafted payloads that cause write operations beyond allocated buffer\nboundaries.  Successful exploitation\ncauses a Denial-of-Service (DoS) condition, causing the device’s process to\ncrash or become unresponsive.","epss":{"date":"2026-11-02","percentile":0.33009,"score":0.00389},"exploits":[],"kev":null,"metrics":[{"score":7.1,"severity":"high","source":"CNA: TPLink","vector":"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","version":"4.0"}],"modifiedAt":1793641631944,"publishedAt":1775150383453,"references":[{"source":"CNA: TPLink","tags":["patch"],"url":"https://www.tp-link.com/us/support/download/tapo-c520ws/#Firmware-Release-Notes"},{"source":"CNA: TPLink","tags":["patch"],"url":"https://www.tp-link.com/en/support/download/tapo-c520ws/#Firmware-Release-Notes"},{"source":"CNA: TPLink","tags":["vendor-advisory"],"url":"https://www.tp-link.com/us/support/faq/5047/"},{"source":"CNA: TPLink","tags":["patch"],"url":"https://www.tp-link.com/us/support/download/tapo-c100/v5/#Firmware-Release-Notes"},{"source":"CNA: TPLink","tags":["patch"],"url":"https://www.tp-link.com/en/support/download/tapo-c100/v5/#Firmware-Release-Notes"},{"source":"CNA: TPLink","tags":["patch"],"url":"https://www.tp-link.com/us/support/download/tapo-c101/v5/#Firmware-Release-Notes"},{"source":"CNA: TPLink","tags":["patch"],"url":"https://www.tp-link.com/us/support/download/tapo-c210/v3.60/#Firmware-Release-Notes"},{"source":"CNA: TPLink","tags":["patch"],"url":"https://www.tp-link.com/en/support/download/tc70/v3/#Firmware-Release-Notes"},{"source":"CNA: TPLink","tags":["patch"],"url":"https://www.tp-link.com/en/support/download/tapo-c200/v3/#Firmware-Release-Notes"},{"source":"CNA: TPLink","tags":["patch"],"url":"https://www.tp-link.com/us/support/download/tapo-c200/v3/#Firmware-Release-Notes"}],"remediation":[{"kind":"fix","source":"CNA: TPLink","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://www.tp-link.com/us/support/download/tapo-c520ws/#Firmware-Release-Notes"},{"kind":"fix","source":"CNA: TPLink","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://www.tp-link.com/en/support/download/tapo-c520ws/#Firmware-Release-Notes"},{"kind":"fix","source":"CNA: TPLink","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://www.tp-link.com/us/support/download/tapo-c100/v5/#Firmware-Release-Notes"},{"kind":"fix","source":"CNA: TPLink","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://www.tp-link.com/en/support/download/tapo-c100/v5/#Firmware-Release-Notes"},{"kind":"fix","source":"CNA: TPLink","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://www.tp-link.com/us/support/download/tapo-c101/v5/#Firmware-Release-Notes"},{"kind":"fix","source":"CNA: TPLink","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://www.tp-link.com/us/support/download/tapo-c210/v3.60/#Firmware-Release-Notes"},{"kind":"fix","source":"CNA: TPLink","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://www.tp-link.com/en/support/download/tc70/v3/#Firmware-Release-Notes"},{"kind":"fix","source":"CNA: TPLink","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://www.tp-link.com/en/support/download/tapo-c200/v3/#Firmware-Release-Notes"},{"kind":"fix","source":"CNA: TPLink","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://www.tp-link.com/us/support/download/tapo-c200/v3/#Firmware-Release-Notes"}],"revision":"7d15026e93da286429e8a7ba4f37e20ba99801909f5ab59462f5b4857cd0570f","sources":[{"modifiedAt":1793641631944,"name":"CNA: TPLink","retrievedAt":1793642986427,"url":"https://www.cve.org/CVERecord?id=CVE-2026-34118"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1793642992602,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-34118"}],"ssvc":{"assessedAt":1775152115729,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"Heap-based Buffer Overflow Vulnerability Leading to Denial-of-Service in multiple TP-Link Tapo Cameras","updatedAt":1793642992602}