What’s Vulnerable › Vulnerabilities
CVE-2019-3948
- Severity: high (CVSS 7.5 v3.0)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 25.0% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2019-07-29 · updated 2026-06-17
- Weakness: CWE-306
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.
Affected products
- Amcrest Ip2M-841B Firmware: 2.520.ac00.18.r
- Dahua Dh-Ipc-Hx863X: before 2018-05-18 — fixed in 2018-05-18
- Dahua Dh-Ipc-Hx883X: before 2018-05-18 — fixed in 2018-05-18
- Dahua Dh-Sd4Xxxxx: before 2018-05-18 — fixed in 2018-05-18
- Dahua Dh-Sd5Xxxxx: before 2018-05-18 — fixed in 2018-05-18
- Dahua Dh-Sd6Xxxxx: before 2018-05-18 — fixed in 2018-05-18
- Dahua Ipc-Hx4X3X: before 2018-05-18 — fixed in 2018-05-18
- Dahua Ipc-Hx5X3X: before 2018-05-18 — fixed in 2018-05-18
- Dahua Ipc-Xxbxx: before 2018-05-18 — fixed in 2018-05-18
- Dahua Nvr2Xxx-4Ks2: before 2018-05-18 — fixed in 2018-05-18
- Dahua Nvr4Xxx-4Ks2: before 2018-05-18 — fixed in 2018-05-18
- Dahua Nvr5Xxx-4Ks2: before 2018-05-18 — fixed in 2018-05-18
How to fix
Upgrade to a fixed version: Dahua Dh-Ipc-Hx863X 2018-05-18; Dahua Dh-Ipc-Hx883X 2018-05-18; Dahua Dh-Sd4Xxxxx 2018-05-18; Dahua Dh-Sd5Xxxxx 2018-05-18; Dahua Dh-Sd6Xxxxx 2018-05-18; Dahua Ipc-Hx4X3X 2018-05-18; Dahua Ipc-Hx5X3X 2018-05-18; Dahua Ipc-Xxbxx 2018-05-18; Dahua Nvr2Xxx-4Ks2 2018-05-18; Dahua Nvr4Xxx-4Ks2 2018-05-18; Dahua Nvr5Xxx-4Ks2 2018-05-18. Check the vendor advisory for mitigations.
References
- http://packetstormsecurity.com/files/153813/Amcrest-Cameras-2.520.AC00.18.R-Unauthenticated-Audio-Streaming.html
- 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
- http://packetstormsecurity.com/files/153813/Amcrest-Cameras-2.520.AC00.18.R-Unauthenticated-Audio-Streaming.html
- 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
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