CVE-2017-6432
CVE-2017-6432 is a high-severity vulnerability in Dahuasecurity Nvr Firmware with a CVSS 3.x base score of 8.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-319.
Key facts
- Severity: High (CVSS 3.x base score 8.1)
- CVSS v2: 9.3
- EPSS exploit prediction: 1% (59th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-319
- Affected product: Dahuasecurity Nvr Firmware
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2017-6432?
- CVE-2017-6432 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2017-6432 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2017-6432?
- CVE-2017-6432 affects Dahuasecurity Nvr Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2017-6432?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2017-6432 published?
- CVE-2017-6432 was published on 2017-03-09 and last updated on 2026-06-17.
References
- https://nullku7.github.io/stuff/exploit/dahua/2017/03/09/dahua-nvr-authbypass.html
- https://twitter.com/null_ku7/status/839814344351240193
Affected products (1)
- cpe:2.3:o:dahuasecurity:nvr_firmware:3.210.0001.10:*:*:*:*:*:*:*
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