CVE-2020-5735

highpriority · act · 90OT risk · criticalKEV · exploitedEPSS 0.362 · 98 %ileexploit · PoCEUUS

grimoire priorityP0 · Act now

Exploitable?

Yes · in the wild

CISA KEV · 1 exploit · PoC

Likely / severe?

36.2% (98th) EPSS

CVSS 8 · high

Is it mine?

19 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

added 2021-11-03remediate by 2022-05-03

required action Apply updates per vendor instructions.

EPSS · scored 2026-10-26

Amcrest Cameras and NVR Stack-based Buffer Overflow Vulnerability

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.

cvss

Technical severity, 0–10. One row per scoring source.

8.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.08highAV:N/AC:L/Au:S/C:P/I:P/A:Cprimary · NVD / NIST USexploitability 8 · impact 8.5

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 5.9

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondaryexploitability 2.8 · impact 5.9

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: active · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-787USprimaryCWE-121US

ATT&CK techniques

ATT&CK techniques this enables or maps to.

exploits (1)

Public proof-of-concept and weaponised exploit code.

EDB-48304Amcrest Dahua NVR Camera IP2M-841 - Denial of Service (PoC)PoC · exploit_db

affected products (19)

Products and version ranges known to be affected.

n/a 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.200218enisa_euvdEU
amcrest 1080-lite 8ch firmwareall versionsnvdUScpe:2.3:o:amcrest:1080-lite_8ch_firmware:*:*:*:*:*:*:*:*
amcrest amdv10814-h5 firmwareall versionsnvdUScpe:2.3:o:amcrest:amdv10814-h5_firmware:*:*:*:*:*:*:*:*
amcrest ip2m-841 firmware< v2.420.ac00.18.r.20200217nvdUScpe:2.3:o:amcrest:ip2m-841_firmware:*:*:*:*:*:*:*:*
amcrest ip2m-841-v3 firmware< v2.800.0000000.6.r.200314nvdUScpe:2.3:o:amcrest:ip2m-841-v3_firmware:*:*:*:*:*:*:*:*
amcrest ip2m-853ew firmware< v2.623.00ac004.0.r.200316nvdUScpe:2.3:o:amcrest:ip2m-853ew_firmware:*:*:*:*:*:*:*:*
amcrest ip2m-858w firmware< v2.623.00ac004.0.r.200316nvdUScpe:2.3:o:amcrest:ip2m-858w_firmware:*:*:*:*:*:*:*:*
amcrest ip2m-866ew firmware< v2.623.00ac004.0.r.200316nvdUScpe:2.3:o:amcrest:ip2m-866ew_firmware:*:*:*:*:*:*:*:*
amcrest ip2m-866w firmware< v2.623.00ac004.0.r.200316nvdUScpe:2.3:o:amcrest:ip2m-866w_firmware:*:*:*:*:*:*:*:*
amcrest ip4m-1053ew firmware< v2.623.00ac004.0.r.200316nvdUScpe:2.3:o:amcrest:ip4m-1053ew_firmware:*:*:*:*:*:*:*:*
amcrest ip8m-2454ew firmware< v2.622.00ac000.0.r.200320nvdUScpe:2.3:o:amcrest:ip8m-2454ew_firmware:*:*:*:*:*:*:*:*
amcrest ip8m-2493eb firmware< v2.622.00ac000.0.r.200320nvdUScpe:2.3:o:amcrest:ip8m-2493eb_firmware:*:*:*:*:*:*:*:*
amcrest ip8m-2496eb firmware< v2.622.00ac000.0.r.200320nvdUScpe:2.3:o:amcrest:ip8m-2496eb_firmware:*:*:*:*:*:*:*:*
amcrest ip8m-2597e firmware< v2.800.00ac000.0.r.200330nvdUScpe:2.3:o:amcrest:ip8m-2597e_firmware:*:*:*:*:*:*:*:*
amcrest ip8m-mb2546ew firmware< v2.622.00ac000.0.r.200320nvdUScpe:2.3:o:amcrest:ip8m-mb2546ew_firmware:*:*:*:*:*:*:*:*
amcrest ip8m-mt2544ew firmware< v2.622.00ac000.0.r.200320nvdUScpe:2.3:o:amcrest:ip8m-mt2544ew_firmware:*:*:*:*:*:*:*:*
amcrest ip8m-t2499ew firmware< v2.622.00ac000.0.r.200320nvdUScpe:2.3:o:amcrest:ip8m-t2499ew_firmware:*:*:*:*:*:*:*:*
amcrest ipm-721 firmware< v2.420.ac00.18.r.20200217nvdUScpe:2.3:o:amcrest:ipm-721_firmware:*:*:*:*:*:*:*:*
amcrest ipm-hx1 firmware< v2.420.ac00.18.r.20200217nvdUScpe:2.3:o:amcrest:ipm-hx1_firmware:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2020-04-08modified 2026-06-17

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+16039 more

references (9)

External citations — patches, advisories, analysis.

scry

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