CVE-2019-3948
Amcrest, Dahua
- Published
- 29 July 2019
- Last modified
- 17 June 2026
- CVSS
- 7.5 v3.0
- Severity
- high
- EPSS
- 25.0% (98th pct)
- CISA KEV
- Not listed
- NVD status
- Modified
- Weaknesses
- CWE-306
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
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.
Exploitation
Not listed in the CISA Known Exploited Vulnerabilities catalogue as of 2026.09.04. That is an absence of confirmed public exploitation, not evidence that exploitation has not occurred. EPSS models a 25.0% probability of exploitation activity in the next 30 days, placing it in the top decile of all scored CVEs.
Affected products
| Product | Vendor | Type | Versions named |
|---|---|---|---|
| IP2M-841B | Amcrest | unknown | 2.520.ac00.18.r |
| Dh-ipc-hx863x | Dahua | unknown | < 2018-05-18 |
| Dh-ipc-hx883x | Dahua | unknown | < 2018-05-18 |
| Dh-sd4xxxxx | Dahua | unknown | < 2018-05-18 |
| Dh-sd5xxxxx | Dahua | unknown | < 2018-05-18 |
| Dh-sd6xxxxx | Dahua | unknown | < 2018-05-18 |
| Ipc-hx4x3x | Dahua | IP camera | < 2018-05-18 |
| Ipc-hx5x3x | Dahua | IP camera | < 2018-05-18 |
| Ipc-xxbxx | Dahua | IP camera | < 2018-05-18 |
| NVR2XXX-4KS2 | Dahua | unknown | < 2018-05-18 |
| NVR4XXX-4KS2 | Dahua | unknown | < 2018-05-18 |
| NVR5XXX-4KS2 | Dahua | unknown | < 2018-05-18 |
References
- http://packetstormsecurity.com/files/153813/Amcrest-Cameras-2.520.AC00.18.R-Unauthenticated-Audio-Streaming.html exploit
- https://us.dahuasecurity.com/wp-content/uploads/2019/08/Cybersecurity_2019-08-02.pdf
- https://www.dahuasecurity.com/support/cybersecurity/details/627?us
- https://www.tenable.com/security/research/tra-2019-36 exploit
- http://packetstormsecurity.com/files/153813/Amcrest-Cameras-2.520.AC00.18.R-Unauthenticated-Audio-Streaming.html exploit
- https://us.dahuasecurity.com/wp-content/uploads/2019/08/Cybersecurity_2019-08-02.pdf
- https://www.dahuasecurity.com/support/cybersecurity/details/627?us
- https://www.tenable.com/security/research/tra-2019-36 exploit
Record assembled from NVD, CISA KEV 2026.09.04 and FIRST EPSS 2026-09-04. Affected products are those NVD's CPE configuration names that fall inside this site's scope; a CVE may affect products outside it.