{"id":"CVE-2020-5761","aliases":["EUVD-2020-26920","GHSA-9wp9-6795-j8rm"],"status":"published","title":"Grandstream HT800 series firmware version 1.0.17.5 and below is vulnerable to CPU exhaustion due...","description":"Grandstream HT800 series firmware version 1.0.17.5 and below is vulnerable to CPU exhaustion due to an infinite loop in the TR-069 service. Unauthenticated remote attackers can trigger this case by sending a one character TCP message to the TR-069 service.","severity":{"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","from":"nvd"},"epss":{"day":"2026-11-10","score":0.04093,"percentile":0.90822,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-835"],"published":"2020-07-29T18:51:43Z","modified":"2026-06-17T03:22:11Z","products":[{"vendor":"grandstream","product":"ht801_firmware"},{"vendor":"grandstream","product":"ht802_firmware"},{"vendor":"grandstream","product":"ht812_firmware"},{"vendor":"grandstream","product":"ht813_firmware"},{"vendor":"grandstream","product":"ht814_firmware"},{"vendor":"grandstream","product":"ht818_firmware"}],"references":[{"url":"https://www.tenable.com/security/research/tra-2020-43","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://www.tenable.com/security/research/tra-2020-47","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-5761"},{"url":"https://github.com/advisories/GHSA-9wp9-6795-j8rm"}],"sources":{"cve":[{"id":"CVE-2020-5761","description":"Grandstream HT800 series firmware version 1.0.17.5 and below is vulnerable to CPU exhaustion due to an infinite loop in the TR-069 service. Unauthenticated remote attackers can trigger this case by sending a one character TCP message to the TR-069 service.","status":"published","published":"2020-07-29T18:51:43Z","modified":"2024-08-04T08:39:25.699Z","cwes":["CWE-835"],"updated_at":"2026-11-02T14:35:47.56691Z"}],"euvd":[{"id":"EUVD-2020-26920","description":"Grandstream HT800 series firmware version 1.0.17.5 and below is vulnerable to CPU exhaustion due to an infinite loop in the TR-069 service. Unauthenticated remote attackers can trigger this case by sending a one character TCP message to the TR-069 service.","status":"published","published":"2020-07-29T18:51:43Z","modified":"2024-08-04T08:39:25Z","updated_at":"2026-11-03T03:08:05.705852Z"}],"ghsa":[{"id":"GHSA-9wp9-6795-j8rm","title":"Grandstream HT800 series firmware version 1.0.17.5 and below is vulnerable to CPU exhaustion due...","description":"Grandstream HT800 series firmware version 1.0.17.5 and below is vulnerable to CPU exhaustion due to an infinite loop in the TR-069 service. Unauthenticated remote attackers can trigger this case by sending a one character TCP message to the TR-069 service.","status":"published","published":"2022-05-24T17:24:40Z","modified":"2023-01-29T05:03:37Z","updated_at":"2026-11-02T14:45:21.37961Z"}],"nvd":[{"id":"CVE-2020-5761","description":"Grandstream HT800 series firmware version 1.0.17.5 and below is vulnerable to CPU exhaustion due to an infinite loop in the TR-069 service. Unauthenticated remote attackers can trigger this case by sending a one character TCP message to the TR-069 service.","status":"published","published":"2020-07-29T19:15:15.047Z","modified":"2026-06-17T03:22:11.207Z","cvss":[{"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"},{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-835"],"updated_at":"2026-11-02T14:06:10.994748Z"}]}}