{"id":"CVE-2026-9032","aliases":["EUVD-2026-90980","GHSA-gq3v-7fcg-vgjc"],"status":"published","title":"Unauthenticated Onboarding Connect NULL Pointer Dereference Denial of Service Vulnerability in TP-Link Tapo C120 \u0026 C200","description":"Tapo C120 v1 and C200 v5\ncontain a NULL pointer dereference in the HTTPS onboarding connect request parser.  The interface is reachable without\nauthentication after initial setup and does not validate that a password field\nis present for certain authentication and encryption parameter combinations,\nallowing a malformed request from the same local network to crash the HTTPS service\n\n\n\n\n\n\n\n\n\n\n Successful exploitation may\ntemporarily make HTTPS management functions unavailable. Repeated malformed\nrequests may sustain the denial-of-service condition, and recovery may in some\ncases require a device reboot.","severity":{"version":"4.0","score":7.1,"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","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00157,"percentile":0.04894,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-476"],"published":"2026-10-01T17:41:31Z","modified":"2026-10-06T19:18:18Z","products":[{"vendor":"tp-link systems inc","product":"tapo c120 v1"},{"vendor":"tp-link systems inc.","product":"tapo c120 v1"},{"vendor":"tp-link systems inc.","product":"tapo c200 v5"}],"references":[{"url":"https://www.tp-link.com/us/support/download/tapo-c200/v5/#Firmware-Release-Notes","tags":["patch"]},{"url":"https://www.tp-link.com/en/support/download/tapo-c200/v5/#Firmware-Release-Notes","tags":["patch"]},{"url":"https://www.tp-link.com/us/support/download/tapo-c120/v1.26/#Firmware-Release-Notes","tags":["patch"]},{"url":"https://www.tp-link.com/en/support/download/tapo-c120/v1.26/#Firmware-Release-Notes","tags":["patch"]},{"url":"https://www.tp-link.com/us/support/faq/5321/","tags":["vendor-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-9032"},{"url":"https://www.tp-link.com/us/support/faq/5321"},{"url":"https://github.com/advisories/GHSA-gq3v-7fcg-vgjc"}],"sources":{"cve":[{"id":"CVE-2026-9032","title":"Unauthenticated Onboarding Connect NULL Pointer Dereference Denial of Service Vulnerability in TP-Link Tapo C120 \u0026 C200","description":"Tapo C120 v1 and C200 v5\ncontain a NULL pointer dereference in the HTTPS onboarding connect request parser.  The interface is reachable without\nauthentication after initial setup and does not validate that a password field\nis present for certain authentication and encryption parameter combinations,\nallowing a malformed request from the same local network to crash the HTTPS service\n\n\n\n\n\n\n\n\n\n\n Successful exploitation may\ntemporarily make HTTPS management functions unavailable. Repeated malformed\nrequests may sustain the denial-of-service condition, and recovery may in some\ncases require a device reboot.","status":"published","published":"2026-10-01T17:41:31.004Z","modified":"2026-10-06T18:02:10.874Z","cvss":[{"version":"4.0","score":7.1,"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","level":"high","assessor":"cna"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T13:42:26.790871Z"}],"euvd":[{"id":"EUVD-2026-90980","description":"Tapo C120 v1 and C200 v5\ncontain a NULL pointer dereference in the HTTPS onboarding connect request parser.  The interface is reachable without\nauthentication after initial setup and does not validate that a password field\nis present for certain authentication and encryption parameter combinations,\nallowing a malformed request from the same local network to crash the HTTPS service\n\n\n\n\n\n\n\n\n\n\n Successful exploitation may\ntemporarily make HTTPS management functions unavailable. Repeated malformed\nrequests may sustain the denial-of-service condition, and recovery may in some\ncases require a device reboot.","status":"published","published":"2026-10-01T17:41:31Z","modified":"2026-10-06T18:02:10Z","cvss":[{"version":"4.0","score":7.1,"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","level":"high"}],"updated_at":"2026-11-02T17:27:36.701921Z"}],"ghsa":[{"id":"GHSA-gq3v-7fcg-vgjc","title":"Tapo C120 v1 and C200 v5\ncontain a NULL pointer dereference in the HTTPS onboarding connect...","description":"Tapo C120 v1 and C200 v5\ncontain a NULL pointer dereference in the HTTPS onboarding connect request parser.  The interface is reachable without\nauthentication after initial setup and does not validate that a password field\nis present for certain authentication and encryption parameter combinations,\nallowing a malformed request from the same local network to crash the HTTPS service\n\n\n\n\n\n\n\n\n\n\n Successful exploitation may\ntemporarily make HTTPS management functions unavailable. Repeated malformed\nrequests may sustain the denial-of-service condition, and recovery may in some\ncases require a device reboot.","status":"published","published":"2026-10-01T18:32:48Z","modified":"2026-10-01T18:32:57Z","cvss":[{"version":"4.0","score":7.1,"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/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","level":"high"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T15:12:41.196374Z"}],"nvd":[{"id":"CVE-2026-9032","description":"Tapo C120 v1 and C200 v5\ncontain a NULL pointer dereference in the HTTPS onboarding connect request parser.  The interface is reachable without\nauthentication after initial setup and does not validate that a password field\nis present for certain authentication and encryption parameter combinations,\nallowing a malformed request from the same local network to crash the HTTPS service\n\n\n\n\n\n\n\n\n\n\n Successful exploitation may\ntemporarily make HTTPS management functions unavailable. Repeated malformed\nrequests may sustain the denial-of-service condition, and recovery may in some\ncases require a device reboot.","status":"published","published":"2026-10-01T18:17:29.39Z","modified":"2026-10-06T19:18:18.8Z","cvss":[{"version":"4.0","score":7.1,"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/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","level":"high","assessor":"secondary"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:12:53.41762Z"}]}}