{"id":"CVE-2020-5762","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-5762","generatedAt":"2026-10-28T02:58:29.468Z","title":"Grandstream HT800 series firmware version 1.0.17.5 and below is vulnerable to a denial of service attack against the TR-069 service.","description":"Grandstream HT800 series firmware version 1.0.17.5 and below is vulnerable to a denial of service attack against the TR-069 service. An unauthenticated remote attacker can stop the service due to a NULL pointer dereference in the TR-069 service. This condition is triggered due to mishandling of the HTTP Authentication field.","published":"2020-07-29T19:15:15.000Z","lastModified":"2026-06-17T03:22:11.000Z","status":"Modified","sourceIdentifier":"vulnreport@tenable.com","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-476"],"affected":["grandstream/ht801 firmware","grandstream/ht802 firmware","grandstream/ht812 firmware","grandstream/ht814 firmware","grandstream/ht818 firmware","grandstream/ht813 firmware"],"epss":{"score":0.03361,"percentile":0.88639,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (3.36%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://www.tenable.com/security/research/tra-2020-43","tags":["Exploit","Third Party Advisory"],"source":"vulnreport@tenable.com"},{"url":"https://www.tenable.com/security/research/tra-2020-47","tags":["Third Party Advisory","VDB Entry"],"source":"vulnreport@tenable.com"},{"url":"https://www.tenable.com/security/research/tra-2020-43","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.tenable.com/security/research/tra-2020-47","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-5762","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}