CVE-2020-5735
8.8
HIGH
CVSS 3.1
2020-04-08Updated 2025-10-21KEV 2021-11-03
CISA Known Exploited Vulnerabilities
Amcrest Cameras and NVR Stack-based Buffer Overflow Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.
Added to KEV
2021-11-03
Remediation due
2022-05-03
Required action
Apply updates per vendor instructions.
CISA notes
https://nvd.nist.gov/vuln/detail/CVE-2020-5735
Description
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.
Severity
CVSS 3.1 · CISA8.8 HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSSVC · CISA-ADP
Exploitationactive
Automatableno
Technical impacttotal
Exploitation Context
as of October 17, 2026- CISA added CVE-2020-5735 to the KEV catalog 574 days after its CVE record was published.
- Its current EPSS score (36.2%) is higher than that of 44% of CISA KEV entries.
Affected Products
| Vendor | Product | Affected versions |
|---|---|---|
| - | Amcrest | before 2.623.00AC004.0.R.200316, 2.420.AC00.18.R.20200217, 2.800.00AC000.0.R.200330, 2.800.0000000.6.R.200314.bin, 2.622.00AC000.0.R.200320.bin, and 4.000.00AC000.0.R.200218 |
References
2 LinksRecord Details
Published
2020-04-08
Last updated
2025-10-21
Assigner (CNA)
tenable
Credited to
-
Related
Tool categories
CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.