{"id":"CVE-2026-6250","aliases":["EUVD-2026-36326","GHSA-4gmj-9m2m-6h5f"],"status":"published","title":"Authenticated Format String Injection on TP-Link Tapo C110","description":"An\nauthenticated format string vulnerability exists in the ONVIF service of Tapo\nC110 v2 due to improper handling of user-controlled input.  Externally controlled data is interpreted as\na format string, which can be used to manipulate stack memory, including\ncontrol flow data such as return addresses.\n\n\n\n\n\nA remote\nauthenticated attacker may redirect execution flow to existing internal\nfunctions, triggering an unauthorized factory reset, leading to loss of\nconfiguration, deletion of stored credentials and service disruption.","severity":{"version":"4.0","score":7,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00463,"percentile":0.40462,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-134"],"published":"2026-06-11T20:46:09Z","modified":"2026-10-26T11:10:00Z","products":[{"vendor":"tp-link","product":"tapo_c110_firmware"},{"vendor":"tp-link systems inc.","product":"tapo c110 v2"}],"references":[{"url":"https://www.tp-link.com/us/support/download/tapo-c110/v2/#Firmware-Release-Notes","tags":["patch","Release Notes"]},{"url":"https://www.tp-link.com/en/support/download/tapo-c110/v2/#Firmware-Release-Notes","tags":["patch","Release Notes"]},{"url":"https://www.tp-link.com/kr/support/download/tapo-c110/v2/#Firmware-Release-Notes","tags":["patch","Release Notes"]},{"url":"https://www.tp-link.com/us/support/faq/5128/","tags":["vendor-advisory","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-6250"},{"url":"https://www.tp-link.com/us/support/faq/5128"},{"url":"https://github.com/advisories/GHSA-4gmj-9m2m-6h5f"}],"sources":{"cve":[{"id":"CVE-2026-6250","title":"Authenticated Format String Injection on TP-Link Tapo C110","description":"An\nauthenticated format string vulnerability exists in the ONVIF service of Tapo\nC110 v2 due to improper handling of user-controlled input.  Externally controlled data is interpreted as\na format string, which can be used to manipulate stack memory, including\ncontrol flow data such as return addresses.\n\n\n\n\n\nA remote\nauthenticated attacker may redirect execution flow to existing internal\nfunctions, triggering an unauthorized factory reset, leading to loss of\nconfiguration, deletion of stored credentials and service disruption.","status":"published","published":"2026-06-11T20:46:09.672Z","modified":"2026-06-12T15:41:58.14Z","cvss":[{"version":"4.0","score":7,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna"}],"cwes":["CWE-134"],"updated_at":"2026-11-02T13:50:04.986624Z"}],"euvd":[{"id":"EUVD-2026-36326","description":"An\nauthenticated format string vulnerability exists in the ONVIF service of Tapo\nC110 v2 due to improper handling of user-controlled input.  Externally controlled data is interpreted as\na format string, which can be used to manipulate stack memory, including\ncontrol flow data such as return addresses.\n\n\n\n\n\nA remote\nauthenticated attacker may redirect execution flow to existing internal\nfunctions, triggering an unauthorized factory reset, leading to loss of\nconfiguration, deletion of stored credentials and service disruption.","status":"published","published":"2026-06-11T20:46:09Z","modified":"2026-06-12T15:41:58Z","cvss":[{"version":"4.0","score":7,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T18:20:43.577088Z"}],"ghsa":[{"id":"GHSA-4gmj-9m2m-6h5f","title":"An\nauthenticated format string vulnerability exists in the ONVIF service of Tapo\nC110 v2 due to...","description":"An\nauthenticated format string vulnerability exists in the ONVIF service of Tapo\nC110 v2 due to improper handling of user-controlled input.  Externally controlled data is interpreted as\na format string, which can be used to manipulate stack memory, including\ncontrol flow data such as return addresses.\n\n\n\n\n\nA remote\nauthenticated attacker may redirect execution flow to existing internal\nfunctions, triggering an unauthorized factory reset, leading to loss of\nconfiguration, deletion of stored credentials and service disruption.","status":"published","published":"2026-06-12T00:31:56Z","modified":"2026-06-16T15:36:28Z","cvss":[{"version":"4.0","score":7,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/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"},{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"high"}],"cwes":["CWE-134"],"updated_at":"2026-11-02T15:08:48.835344Z"}],"nvd":[{"id":"CVE-2026-6250","description":"An\nauthenticated format string vulnerability exists in the ONVIF service of Tapo\nC110 v2 due to improper handling of user-controlled input.  Externally controlled data is interpreted as\na format string, which can be used to manipulate stack memory, including\ncontrol flow data such as return addresses.\n\n\n\n\n\nA remote\nauthenticated attacker may redirect execution flow to existing internal\nfunctions, triggering an unauthorized factory reset, leading to loss of\nconfiguration, deletion of stored credentials and service disruption.","status":"published","published":"2026-06-11T22:16:57.87Z","modified":"2026-10-26T11:10:00.157Z","cvss":[{"version":"4.0","score":7,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/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"},{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-134"],"updated_at":"2026-11-02T14:12:23.485267Z"}]}}