{"cve":"CVE-2026-15315","nvd":{"published":"2026-08-18T22:16:49.207","modified":"2026-09-04T17:39:06.830","status":"Analyzed","description":"Tapo C120 v1 and C200 v5\ncontain an improper authentication vulnerability within the login\nauthentication verification module. An attacker on the local network can\nexploit weaknesses in challenge parameter validation to bypass normal\nauthentication controls and obtain administrative session tokens. \n\n\n\n\n\n\n\n\n\nSuccessful\nexploitation may allow an attacker to subsequently execute privileged\nmanagement actions, enable unauthorized administrative access and temporary\ndisruption of device services, resulting in a denial-of-service (DoS)\ncondition.","cvss_v4":{"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","score":8.7},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-287"],"references":["https://www.tp-link.com/en/support/download/tapo-c120/v1.26/#Firmware-Release-Notes","https://www.tp-link.com/en/support/download/tapo-c200/v5/","https://www.tp-link.com/us/support/download/tapo-c120/v1.26/#Firmware-Release-Notes","https://www.tp-link.com/us/support/download/tapo-c200/v5/","https://www.tp-link.com/us/support/faq/5248/"],"products":["tp-link:tapo_c120_firmware","tp-link:tapo_c200_firmware"],"source":"nvd","synced_at":"2026-10-19T22:49:38.260478770+00:00"},"epss":{"cve":"CVE-2026-15315","score":0.00462,"percentile":0.40101,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}