What is CVE-2017-6432?

CVE-2017-6432 is a high-severity vulnerability in Dahuasecurity Dhi-Hcvr7216a-S3, classified under Cleartext Transmission of Sensitive Information. CVSS score: 8.1/10. Published 2017-03-09.

How severe is CVE-2017-6432?

High severity. CVSS v3 base score is 8.1 out of 10.

Vulnerability in Dahuasecurity Dhi-Hcvr7216a-S3

CVE-2017-6432

An issue was discovered on Dahua DHI-HCVR7216A-S3 3.210.0001.10 build 2016-06-06 devices. The Dahua DVR Protocol, which operates on TCP Port 37777, is an unencrypted, binary protocol. Performing a Man-in-the-Middle attack allows both sniffing and injections of packets, which allows creation of fully privileged new users, in addition to capture of sensitive information.

Published 2017-03-09 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.009 (58.3th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 58.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Dahuasecurity Dhi-Hcvr7216a-S3
Dahuasecurity Nvr Firmware — versions 3.210.0001.10

Weakness classification (CWE)

CWE-319 — Cleartext Transmission of Sensitive Information

References

twitter.com/null_ku7/status/839814344351240193 (Press/Media Coverage)
nullku7.github.io/stuff/exploit/dahua/2017/03/09/dahua-nvr-authbypass.html (Third Party Advisory)

Frequently asked questions

What is CVE-2017-6432?: CVE-2017-6432 is a high-severity vulnerability in Dahuasecurity Dhi-Hcvr7216a-S3, classified under Cleartext Transmission of Sensitive Information. CVSS score: 8.1/10. Published 2017-03-09.
How severe is CVE-2017-6432?: High severity. CVSS v3 base score is 8.1 out of 10.