{"cve":"CVE-2026-15316","nvd":{"published":"2026-08-18T22:16:49.367","modified":"2026-10-22T17:09:59.477","status":"Analyzed","description":"An improper input\nvalidation vulnerability in the configuration service for processing encrypted\ncredential data has been identified in Tapo C200 v5.  An attacker can send oversized crypted\nciphertext values that may trigger exception handling failures, due to insufficient\nvalidation, causing the affected device to crash or restart.\n\n\n\n\n\nSuccessful\nexploitation may temporarily disrupt HTTPS management and monitoring\nfunctionality, resulting in a denial-of-service (DoS) condition until the\nservice recovers.","cvss_v4":{"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","score":7.1},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":6.5},"cwes":["CWE-20"],"references":["https://www.tp-link.com/en/support/download/tapo-c200/v5/","https://www.tp-link.com/us/support/download/tapo-c200/v5/","https://www.tp-link.com/us/support/faq/5248/"],"products":["tp-link:tapo_c200_firmware"],"source":"nvd","synced_at":"2026-10-23T16:39:26.291718493+00:00"},"epss":{"cve":"CVE-2026-15316","score":0.00334,"percentile":0.26521,"date":"2026-10-25"},"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."]}