{"cve":"CVE-2026-17251","nvd":{"published":"2026-08-21T18:16:47.660","modified":"2026-10-14T19:10:00.297","status":"Awaiting Analysis","description":"A NULL\npointer dereference vulnerability exists in the HTTP request parsing\nfunctionality of \nTL-MR6400 v7. An unauthenticated remote attacker can\ntrigger the vulnerability by sending a specially crafted HTTP request\ncontaining a malformed session cookie header. \n\n\n\n\n\nSuccessful\nexploitation may cause the HTTP service process to crash, resulting in a\ndenial-of-service condition and temporary loss of management or CGI\nfunctionality until service recovery.","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":null,"cwes":["CWE-476"],"references":["https://www.tp-link.com/en/support/download/tl-mr6400/v7/#Firmware","https://www.tp-link.com/tw/support/download/tl-mr6400/v7/#Firmware","https://www.tp-link.com/us/support/faq/5259/"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:49:38.260478770+00:00"},"epss":{"cve":"CVE-2026-17251","score":0.0047,"percentile":0.40415,"date":"2026-10-26"},"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."]}