CVE-2020-5735 | BDVDB-2026-133749 Detail

Amcrest

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.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: network.

Weaknesses#

CWE-121

References#

Exploit#

No public exploit known

History#

Version 12020-04-08Record published in the CVE List.
Version 22025-10-21Most recent update recorded in the CVE List.

Published

Published: 2020-04-08
Last modified: 2025-10-21

Vendor information

Vendor: Not stated
Product: Amcrest

Score

8.8 High

EPSS

36.2%, Moderate

Estimated chance of exploitation in the next 30 days. EPSS percentile: 98.5.

KEV

Yes

Listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

Apply updates per vendor instructions.

Affected Systems

Vulnerable
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
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

8.8 High

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

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	Low
User Interaction	None
Scope	Unchanged
Confidentiality	High
Integrity	High
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).