{"id":"CVE-2025-30256","aliases":["EUVD-2025-27776","GHSA-mxm9-vq8j-x8j2"],"status":"published","title":"A denial of service vulnerability exists in the HTTP Header Parsing functionality of Tenda AC6 V5...","description":"A denial of service vulnerability exists in the HTTP Header Parsing functionality of Tenda AC6 V5.0 V02.03.01.110. A specially crafted series of HTTP requests can lead to a reboot. An attacker can send multiple network packets to trigger this vulnerability.","severity":{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00418,"percentile":0.36407,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-772"],"published":"2025-08-20T13:09:06Z","modified":"2026-06-17T09:08:24Z","products":[{"vendor":"tenda","product":"ac6 v5.0"},{"vendor":"tenda","product":"ac6_firmware"}],"references":[{"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2025-2166","tags":["Third Party Advisory"]},{"url":"https://www.talosintelligence.com/vulnerability_reports/TALOS-2025-2166"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-30256"},{"url":"https://github.com/advisories/GHSA-mxm9-vq8j-x8j2"}],"sources":{"cve":[{"id":"CVE-2025-30256","description":"A denial of service vulnerability exists in the HTTP Header Parsing functionality of Tenda AC6 V5.0 V02.03.01.110. A specially crafted series of HTTP requests can lead to a reboot. An attacker can send multiple network packets to trigger this vulnerability.","status":"published","published":"2025-08-20T13:09:06.026Z","modified":"2025-11-03T18:09:00.836Z","cvss":[{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-772"],"updated_at":"2026-11-02T14:32:35.099955Z"}],"euvd":[{"id":"EUVD-2025-27776","description":"A denial of service vulnerability exists in the HTTP Header Parsing functionality of Tenda AC6 V5.0 V02.03.01.110. A specially crafted series of HTTP requests can lead to a reboot. An attacker can send multiple network packets to trigger this vulnerability.","status":"published","published":"2025-08-20T13:09:06Z","modified":"2025-11-03T18:09:00Z","cvss":[{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T19:49:34.635725Z"}],"ghsa":[{"id":"GHSA-mxm9-vq8j-x8j2","title":"A denial of service vulnerability exists in the HTTP Header Parsing functionality of Tenda AC6 V5...","description":"A denial of service vulnerability exists in the HTTP Header Parsing functionality of Tenda AC6 V5.0 V02.03.01.110. A specially crafted series of HTTP requests can lead to a reboot. An attacker can send multiple network packets to trigger this vulnerability.","status":"published","published":"2025-08-20T15:31:41Z","modified":"2025-11-03T21:35:27Z","cvss":[{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-772"],"updated_at":"2026-11-02T15:04:25.4654Z"}],"nvd":[{"id":"CVE-2025-30256","description":"A denial of service vulnerability exists in the HTTP Header Parsing functionality of Tenda AC6 V5.0 V02.03.01.110. A specially crafted series of HTTP requests can lead to a reboot. An attacker can send multiple network packets to trigger this vulnerability.","status":"published","published":"2025-08-20T14:15:43.067Z","modified":"2026-06-17T09:08:24.553Z","cvss":[{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","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-772"],"updated_at":"2026-11-02T14:11:25.261243Z"}]}}