CVE & CISA-KEV Catalog

CVE-2020-5735

HIGHCISA KEVEPSS 98th pctl
8.8
CVSS v3
NVD

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.

How to fix

Remediation Available
ip2m-841-v3 firmwareNVD
Affected:< v2.800.0000000.6.r.200314Fixed in:v2.800.0000000.6.r.200314CVE-2020-5735derived from NVD
ip2m-841 firmwareNVD
Affected:< v2.420.ac00.18.r.20200217Fixed in:v2.420.ac00.18.r.20200217CVE-2020-5735derived from NVD
ip2m-853ew firmwareNVD
Affected:< v2.623.00ac004.0.r.200316Fixed in:v2.623.00ac004.0.r.200316CVE-2020-5735derived from NVD
ip2m-858w firmwareNVD
Affected:< v2.623.00ac004.0.r.200316Fixed in:v2.623.00ac004.0.r.200316CVE-2020-5735derived from NVD
ip2m-866ew firmwareNVD
Affected:< v2.623.00ac004.0.r.200316Fixed in:v2.623.00ac004.0.r.200316CVE-2020-5735derived from NVD
ip2m-866w firmwareNVD
Affected:< v2.623.00ac004.0.r.200316Fixed in:v2.623.00ac004.0.r.200316CVE-2020-5735derived from NVD
ip4m-1053ew firmwareNVD
Affected:< v2.623.00ac004.0.r.200316Fixed in:v2.623.00ac004.0.r.200316CVE-2020-5735derived from NVD
ip8m-2454ew firmwareNVD
Affected:< v2.622.00ac000.0.r.200320Fixed in:v2.622.00ac000.0.r.200320CVE-2020-5735derived from NVD
ip8m-2493eb firmwareNVD
Affected:< v2.622.00ac000.0.r.200320Fixed in:v2.622.00ac000.0.r.200320CVE-2020-5735derived from NVD
ip8m-2496eb firmwareNVD
Affected:< v2.622.00ac000.0.r.200320Fixed in:v2.622.00ac000.0.r.200320CVE-2020-5735derived from NVD
ip8m-2597e firmwareNVD
Affected:< v2.800.00ac000.0.r.200330Fixed in:v2.800.00ac000.0.r.200330CVE-2020-5735derived from NVD
ip8m-mb2546ew firmwareNVD
Affected:< v2.622.00ac000.0.r.200320Fixed in:v2.622.00ac000.0.r.200320CVE-2020-5735derived from NVD
ip8m-mt2544ew firmwareNVD
Affected:< v2.622.00ac000.0.r.200320Fixed in:v2.622.00ac000.0.r.200320CVE-2020-5735derived from NVD
ip8m-t2499ew firmwareNVD
Affected:< v2.622.00ac000.0.r.200320Fixed in:v2.622.00ac000.0.r.200320CVE-2020-5735derived from NVD
ipm-721 firmwareNVD
Affected:< v2.420.ac00.18.r.20200217Fixed in:v2.420.ac00.18.r.20200217CVE-2020-5735derived from NVD
ipm-hx1 firmwareNVD
Affected:< v2.420.ac00.18.r.20200217Fixed in:v2.420.ac00.18.r.20200217CVE-2020-5735derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

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

Exploit Intelligence

35.64%probability of exploitation in 30 days
98thpercentile

Very high risk: more likely to be exploited than 98% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

Amcrest Cameras and NVR Stack-based Buffer Overflow Vulnerability

Amcrest cameras and NVR contain a stack-based buffer overflow vulnerability through port 37777 that allows an unauthenticated, remote attacker to crash the device and possibly execute code.

Apply updates per vendor instructions.

Remediation due: 2022-05-03

References

Third-Party Advisory1
Government Resource1

Related Vulnerabilities

Other CWE-121 (Stack-based Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2025-22457Critical9.0100%KEV + RansomFix
CVE-2025-0282Critical9.0100%KEV + Ransom-
CVE-2021-20038Critical9.8100%KEV + Ransom-
CVE-2009-0927High8.897%KEVFix
CVE-2020-10924High8.887%--
CVE-2022-20705Critical10.080%--
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-10-31.