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CVE-2020-5735

HighPublished

Amcrest Cameras and NVR Stack-based Buffer Overflow Vulnerability

Published: Apr 8, 2020
Updated: Oct 21, 2025
Assigning CNA: tenable
Evidence observed: Apr 8, 2020

Primary CVSS

8.8/ 10High

nvd · CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS probability estimate

36.2%

Moderate · next 30 days

Percentile: 98.5%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

CISA Known Exploited

This CVE appears in the CISA Known Exploited Vulnerabilities catalog.

Summary

Amcrest cameras and NVR are vulnerable to a stack-based buffer overflow over port 37777. An authenticated remote attacker can abuse this issue to crash the device and possibly execute arbitrary code.

Sources

Amcrest Dahua NVR Camera IP2M-841 - Denial of Service (PoC)Exploit
Jacob Baines · hardware · Apr 8, 2020

Responsible use

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