{"id":"CVE-2026-8619","aliases":["EUVD-2026-63168","GHSA-vp4h-929p-f8gq"],"status":"published","title":"Unauthenticated Denial-of-Service Vulnerability in HTTP Service in TP-Link TL-MR100, TL-MR150, TL-MR6400 and Archer MR600","description":"An\nunauthenticated denial-of-service vulnerability was identified in TP-Link TL-MR100 v3.2, TL-MR150 v3.2, TL-MR6400 v8.0 and Archer MR600 v2, due to improper handling of exceptional request conditions\nthat may lead to a NULL pointer dereference. \nA remote attacker on an adjacent network can send a specially crated\nHTTP request to trigger a crash of the HTTP service process.\n\n\n\n\n\nSuccessful\nexploitation may cause the HTTP service to crash, making the web management\ninterface and HTTP-dependent functionality temporarily unavailable.","severity":{"version":"4.0","score":7.1,"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","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00874,"percentile":0.59196,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-476"],"published":"2026-08-19T23:11:51Z","modified":"2026-10-27T10:10:00Z","products":[{"vendor":"tp-link","product":"archer_mr600_firmware"},{"vendor":"tp-link","product":"tl-mr100_firmware"},{"vendor":"tp-link","product":"tl-mr150_firmware"},{"vendor":"tp-link","product":"tl-mr6400_firmware"},{"vendor":"tp-link systems inc","product":"archer mr600 v2"},{"vendor":"tp-link systems inc.","product":"archer mr600 v2"},{"vendor":"tp-link systems inc.","product":"tl-mr100 v3.2"},{"vendor":"tp-link systems inc.","product":"tl-mr150 v.3.2"},{"vendor":"tp-link systems inc.","product":"tl-mr6400 v8.0"}],"references":[{"url":"https://www.tp-link.com/en/support/download/archer-mr600/v2/#Firmware","tags":["patch","Product"]},{"url":"https://www.tp-link.com/en/support/download/tl-mr100/v3.20/#Firmware","tags":["patch","Product"]},{"url":"https://www.tp-link.com/en/support/download/tl-mr150/v3.20/#Firmware","tags":["patch","Product"]},{"url":"https://www.tp-link.com/en/support/download/tl-mr6400/v8/#Firmware","tags":["patch","Product"]},{"url":"https://www.tp-link.com/us/support/faq/5253/","tags":["vendor-advisory","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-8619"},{"url":"https://www.tp-link.com/us/support/faq/5253"},{"url":"https://github.com/advisories/GHSA-vp4h-929p-f8gq"}],"sources":{"cve":[{"id":"CVE-2026-8619","title":"Unauthenticated Denial-of-Service Vulnerability in HTTP Service in TP-Link TL-MR100, TL-MR150, TL-MR6400 and Archer MR600","description":"An\nunauthenticated denial-of-service vulnerability was identified in TP-Link TL-MR100 v3.2, TL-MR150 v3.2, TL-MR6400 v8.0 and Archer MR600 v2, due to improper handling of exceptional request conditions\nthat may lead to a NULL pointer dereference. \nA remote attacker on an adjacent network can send a specially crated\nHTTP request to trigger a crash of the HTTP service process.\n\n\n\n\n\nSuccessful\nexploitation may cause the HTTP service to crash, making the web management\ninterface and HTTP-dependent functionality temporarily unavailable.","status":"published","published":"2026-08-19T23:11:51.163Z","modified":"2026-08-20T16:27:30.13Z","cvss":[{"version":"4.0","score":7.1,"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","level":"high","assessor":"cna"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T13:48:02.226896Z"}],"euvd":[{"id":"EUVD-2026-63168","description":"An\nunauthenticated denial-of-service vulnerability was identified in TP-Link TL-MR100 v3.2, TL-MR150 v3.2, TL-MR6400 v8.0 and Archer MR600 v2, due to improper handling of exceptional request conditions\nthat may lead to a NULL pointer dereference. \nA remote attacker on an adjacent network can send a specially crated\nHTTP request to trigger a crash of the HTTP service process.\n\n\n\n\n\nSuccessful\nexploitation may cause the HTTP service to crash, making the web management\ninterface and HTTP-dependent functionality temporarily unavailable.","status":"published","published":"2026-08-19T23:11:51Z","modified":"2026-08-20T16:27:30Z","cvss":[{"version":"4.0","score":7.1,"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","level":"high"}],"updated_at":"2026-11-02T18:01:39.722145Z"}],"ghsa":[{"id":"GHSA-vp4h-929p-f8gq","title":"An\nunauthenticated denial-of-service vulnerability was identified in TP-Link TL-MR100 v3.2, TL...","description":"An\nunauthenticated denial-of-service vulnerability was identified in TP-Link TL-MR100 v3.2, TL-MR150 v3.2, TL-MR6400 v8.0 and Archer MR600 v2, due to improper handling of exceptional request conditions\nthat may lead to a NULL pointer dereference. \nA remote attacker on an adjacent network can send a specially crated\nHTTP request to trigger a crash of the HTTP service process.\n\n\n\n\n\nSuccessful\nexploitation may cause the HTTP service to crash, making the web management\ninterface and HTTP-dependent functionality temporarily unavailable.","status":"published","published":"2026-08-20T00:35:10Z","modified":"2026-09-03T15:33:06Z","cvss":[{"version":"4.0","score":7.1,"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/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":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T15:11:19.170234Z"}],"nvd":[{"id":"CVE-2026-8619","description":"An\nunauthenticated denial-of-service vulnerability was identified in TP-Link TL-MR100 v3.2, TL-MR150 v3.2, TL-MR6400 v8.0 and Archer MR600 v2, due to improper handling of exceptional request conditions\nthat may lead to a NULL pointer dereference. \nA remote attacker on an adjacent network can send a specially crated\nHTTP request to trigger a crash of the HTTP service process.\n\n\n\n\n\nSuccessful\nexploitation may cause the HTTP service to crash, making the web management\ninterface and HTTP-dependent functionality temporarily unavailable.","status":"published","published":"2026-08-20T00:16:53.157Z","modified":"2026-10-27T10:10:00.24Z","cvss":[{"version":"4.0","score":7.1,"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/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":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:12:40.302911Z"}]}}