CVE-2019-3948: Amcrest IP2M-841b Firmware

High severity, CVSS 7.5. EPSS: 25% chance of exploitation in the next 30 days.

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: version 2.520.ac00.18.r only
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)

Published 2019-07-29. Last modified 2026-06-17.