{"id":"CVE-2026-17251","title":"A NULL\npointer dereference vulnerability exists in the HTTP request parsing\nfunctionality of \nTL-MR6400 v7","summary":"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 malform…","severity":"none","cwe":["CWE-476"],"published":"2026-08-21","updated":"2026-10-14","sourceUpdated":"2026-10-14T19:10:00.297","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-17251","references":[{"url":"https://www.tp-link.com/en/support/download/tl-mr6400/v7/#Firmware","label":"f23511db-6c3e-4e32-a477-6aa17d310630"},{"url":"https://www.tp-link.com/tw/support/download/tl-mr6400/v7/#Firmware","label":"f23511db-6c3e-4e32-a477-6aa17d310630"},{"url":"https://www.tp-link.com/us/support/faq/5259/","label":"f23511db-6c3e-4e32-a477-6aa17d310630"}],"tags":["nvd"],"epss":0.0047,"epssPercentile":0.39129,"ingestedAt":"2026-10-14T19:49:57.561Z","slug":"CVE-2026-17251","body":"## Overview\n\nA 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}