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CVE-2020-5735

HighActively exploited (CISA KEV)

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.

SeverityHigh
CVSS8.8
Exploit probability—
ProductAmcrest Cameras and Network Video Recorder (NVR)
PublishedApr 8, 2020
First seenApr 8, 2020
Added to KEVNov 3, 2021
Weakness typeCWE-121CWE-121

How to fix

CISA required action

Apply updates per vendor instructions.

CISA due date: May 3, 2022
Update
  • amcrest ipm-721_firmwarev2.420.ac00.18.r.20200217 or later
  • amcrest ip2m-841_firmwarev2.420.ac00.18.r.20200217 or later
  • amcrest ip2m-841-v3_firmwarev2.800.0000000.6.r.200314 or later
  • amcrest ip2m-853ew_firmwarev2.623.00ac004.0.r.200316 or later
  • amcrest ip2m-858w_firmwarev2.623.00ac004.0.r.200316 or later
  • amcrest ip2m-866w_firmwarev2.623.00ac004.0.r.200316 or later
  • amcrest ip2m-866ew_firmwarev2.623.00ac004.0.r.200316 or later
  • amcrest ip4m-1053ew_firmwarev2.623.00ac004.0.r.200316 or later
  • amcrest ip8m-2454ew_firmwarev2.622.00ac000.0.r.200320 or later
  • amcrest ip8m-2493eb_firmwarev2.622.00ac000.0.r.200320 or later
  • amcrest ip8m-2496eb_firmwarev2.622.00ac000.0.r.200320 or later
  • amcrest ip8m-2597e_firmwarev2.800.00ac000.0.r.200330 or later

Affected products

ProductAffected versionsFixed in
amcrest 1080-lite_8ch_firmwareNo range specified—
amcrest amdv10814-h5_firmwareNo range specified—
amcrest ipm-721_firmwarev < v2.420.ac00.18.r.20200217v2.420.ac00.18.r.20200217
amcrest ip2m-841_firmwarev < v2.420.ac00.18.r.20200217v2.420.ac00.18.r.20200217
amcrest ip2m-841-v3_firmwarev < v2.800.0000000.6.r.200314v2.800.0000000.6.r.200314
amcrest ip2m-853ew_firmwarev < v2.623.00ac004.0.r.200316v2.623.00ac004.0.r.200316
amcrest ip2m-858w_firmwarev < v2.623.00ac004.0.r.200316v2.623.00ac004.0.r.200316
amcrest ip2m-866w_firmwarev < v2.623.00ac004.0.r.200316v2.623.00ac004.0.r.200316
amcrest ip2m-866ew_firmwarev < v2.623.00ac004.0.r.200316v2.623.00ac004.0.r.200316
amcrest ip4m-1053ew_firmwarev < v2.623.00ac004.0.r.200316v2.623.00ac004.0.r.200316
amcrest ip8m-2454ew_firmwarev < v2.622.00ac000.0.r.200320v2.622.00ac000.0.r.200320
amcrest ip8m-2493eb_firmwarev < v2.622.00ac000.0.r.200320v2.622.00ac000.0.r.200320
amcrest ip8m-2496eb_firmwarev < v2.622.00ac000.0.r.200320v2.622.00ac000.0.r.200320
amcrest ip8m-2597e_firmwarev < v2.800.00ac000.0.r.200330v2.800.00ac000.0.r.200330
amcrest ip8m-mb2546ew_firmwarev < v2.622.00ac000.0.r.200320v2.622.00ac000.0.r.200320
amcrest ip8m-mt2544ew_firmwarev < v2.622.00ac000.0.r.200320v2.622.00ac000.0.r.200320
amcrest ip8m-t2499ew_firmwarev < v2.622.00ac000.0.r.200320v2.622.00ac000.0.r.200320
amcrest ipm-hx1_firmwarev < v2.420.ac00.18.r.20200217v2.420.ac00.18.r.20200217

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