{"id":"CVE-2019-3948","url":"https://www.cyber-defence.io/tools/cve/CVE-2019-3948","generatedAt":"2026-10-27T21:18:01.000Z","title":"An unauthenticated, remote person can connect to this endpoint and potentionally listen to the audio of the capturing device.","description":"The Amcrest IP2M-841B V2.520.AC00.18.R, Dahua IPC-XXBXX V2.622.0000000.9.R, Dahua IPC HX5X3X and HX4X3X V2.800.0000008.0.R, Dahua DH-IPC HX883X and DH-IPC-HX863X V2.622.0000000.7.R, Dahua DH-SD4XXXXX V2.623.0000000.7.R, Dahua DH-SD5XXXXX V2.623.0000000.1.R, Dahua DH-SD6XXXXX V2.640.0000000.2.R and V2.623.0000000.1.R, Dahua NVR5XX-4KS2 V3.216.0000006.0.R, Dahua NVR4XXX-4KS2 V3.216.0000006.0.R, and NVR2XXX-4KS2 do not require authentication to access the HTTP endpoint /videotalk. An unauthenticated, remote person can connect to this endpoint and potentionally listen to the audio of the capturing device.","published":"2019-07-29T22:15:12.000Z","lastModified":"2026-06-17T02:35:56.000Z","status":"Modified","sourceIdentifier":"vulnreport@tenable.com","cvss":{"version":"3.0","score":7.5,"severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},"cwe":["CWE-306"],"affected":["amcrest/ip2m-841b firmware","dahua/dh-ipc-hx863x","dahua/dh-ipc-hx883x","dahua/dh-sd4xxxxx","dahua/dh-sd5xxxxx","dahua/dh-sd6xxxxx","dahua/ipc-hx4x3x","dahua/ipc-hx5x3x","dahua/ipc-xxbxx","dahua/nvr2xxx-4ks2","dahua/nvr4xxx-4ks2","dahua/nvr5xxx-4ks2"],"epss":{"score":0.25018,"percentile":0.97904,"date":"2026-10-26","history":[{"date":"2026-09-21","score":0.16823,"percentile":0.96959},{"date":"2026-09-22","score":0.25018,"percentile":0.97819}]},"kev":{"listed":false},"exploits":{"count":1,"verified":true,"firstPublished":"2019-07-30","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":47188,"kind":"exploit","title":"Amcrest Cameras 2.520.AC00.18.R - Unauthenticated Audio Streaming","url":"https://www.exploit-db.com/exploits/47188","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/hardware/webapps/47188.py","file":"exploits/hardware/webapps/47188.py","published":"2019-07-30","added":"2019-07-30","updated":"2019-07-30","author":"Jacob Baines","type":"webapps","platform":"hardware","port":null,"verified":true,"codes":["CVE-2019-3948"],"tags":"Authentication Bypass / Credentials Bypass (AB/CB)","aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://www.tenable.com/security/research/tra-2019-36"}]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 25.0%, higher than 98% of all known CVEs. Patch or mitigate before the next change window."},"changes":[{"kind":"epss","label":"EPSS jump","at":"2026-09-22T00:00:00.000Z","detail":{"to":0.25018,"from":0.16823,"percentile":0.97819},"summary":"EPSS moved from 16.8% to 25.0% probability of exploitation in the next thirty days."}],"references":[{"url":"http://packetstormsecurity.com/files/153813/Amcrest-Cameras-2.520.AC00.18.R-Unauthenticated-Audio-Streaming.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"vulnreport@tenable.com"},{"url":"https://us.dahuasecurity.com/wp-content/uploads/2019/08/Cybersecurity_2019-08-02.pdf","source":"vulnreport@tenable.com"},{"url":"https://www.dahuasecurity.com/support/cybersecurity/details/627?us","source":"vulnreport@tenable.com"},{"url":"https://www.tenable.com/security/research/tra-2019-36","tags":["Exploit","Third Party Advisory"],"source":"vulnreport@tenable.com"},{"url":"http://packetstormsecurity.com/files/153813/Amcrest-Cameras-2.520.AC00.18.R-Unauthenticated-Audio-Streaming.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://us.dahuasecurity.com/wp-content/uploads/2019/08/Cybersecurity_2019-08-02.pdf","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.dahuasecurity.com/support/cybersecurity/details/627?us","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.tenable.com/security/research/tra-2019-36","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2019-3948","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."}