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Public proof of conceptFix available

CVE-2019-3948

A public proof of concept exists; no exploitation attested.

  • Published2019-07-29
  • WeaknessCWE-306

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2019-07-30Exploit-DB entryExploit-DB

Observed activity

isMalicious corpus · updated 2026-11-03 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2019-3948?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2019-3948?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Amcrest ip2m-841b firmwareversion to verify
BranchAffectedFixed in
2.520= 2.520.ac00.18.rno fix published
Dahua dh-ipc-hx863x
BranchAffectedFixed in
2018.x< 2018-05-182018-05-18
Dahua dh-ipc-hx883x
BranchAffectedFixed in
2018.x< 2018-05-182018-05-18

9 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

No fix published by the sources we read yet. NVD record

Detection

read 2026-11-03 22:42 UTC
Nuclei template
none so far
ProjectDiscovery
Exploit-DB
EDB-47188
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

Sources

  • NVDCVSS 3.07.5read 2026-10-23
  • NVDCVSS 2.05read 2026-10-23
  • NVDweakness (CWE)CWE-306read 2026-10-23
  • FIRST EPSSEPSS score25.0 %read 2026-11-03
  • Exploit-DBdetectionread 2026-11-03

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Published
2019-07-29
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2019-3948?

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.

Is CVE-2019-3948 actively exploited?

Active exploitation of CVE-2019-3948 has not been confirmed. Its EPSS score was 25.0% on 2026-11-03, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-3948?

CVE-2019-3948 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

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