CVE-2020-5735Amcrest cameras and NVR are vulnerable to a stack-based buffer overflow over port 37777.
Updated under an hour ago ()
Does this affect you?
It affects amcrest 1080-lite_8ch_firmware and 17 other products. Add what you run to find out whether that includes you.
CISA lists it as known exploited since Nov 3, 2021; federal agencies had to remediate by May 3, 2022. Treat that date as your deadline.
Do this next
Free account, 1 product
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
- 8.8 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-121
- Known exploited
- Added to CISA KEV Nov 3, 2021; federal remediation due May 3, 2022Apply updates per vendor instructions.
- EPSS (exploitation in the next 30 days)
- 36.22% (percentile 98)
- Assigned by
- tenable
- NVD analysis
- Analyzed
- Record last updated
- Oct 21, 2025
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
amcrest 1080-lite_8ch_firmware amcrest:1080-lite_8ch_firmware | all versions | NVD |
amcrest amdv10814-h5_firmware amcrest:amdv10814-h5_firmware | all versions | NVD |
amcrest ipm-721_firmware amcrest:ipm-721_firmware | before v2.420.ac00.18.r.20200217 | NVD |
amcrest ip2m-841_firmware amcrest:ip2m-841_firmware | before v2.420.ac00.18.r.20200217 | NVD |
amcrest ip2m-841-v3_firmware amcrest:ip2m-841-v3_firmware | before v2.800.0000000.6.r.200314 | NVD |
amcrest ip2m-853ew_firmware amcrest:ip2m-853ew_firmware | before v2.623.00ac004.0.r.200316 | NVD |
amcrest ip2m-858w_firmware amcrest:ip2m-858w_firmware | before v2.623.00ac004.0.r.200316 | NVD |
amcrest ip2m-866w_firmware amcrest:ip2m-866w_firmware | before v2.623.00ac004.0.r.200316 | NVD |
amcrest ip2m-866ew_firmware amcrest:ip2m-866ew_firmware | before v2.623.00ac004.0.r.200316 | NVD |
amcrest ip4m-1053ew_firmware amcrest:ip4m-1053ew_firmware | before v2.623.00ac004.0.r.200316 | NVD |
amcrest ip8m-2454ew_firmware amcrest:ip8m-2454ew_firmware | before v2.622.00ac000.0.r.200320 | NVD |
amcrest ip8m-2493eb_firmware amcrest:ip8m-2493eb_firmware | before v2.622.00ac000.0.r.200320 | NVD |
amcrest ip8m-2496eb_firmware amcrest:ip8m-2496eb_firmware | before v2.622.00ac000.0.r.200320 | NVD |
amcrest ip8m-2597e_firmware amcrest:ip8m-2597e_firmware | before v2.800.00ac000.0.r.200330 | NVD |
amcrest ip8m-mb2546ew_firmware amcrest:ip8m-mb2546ew_firmware | before v2.622.00ac000.0.r.200320 | NVD |
amcrest ip8m-mt2544ew_firmware amcrest:ip8m-mt2544ew_firmware | before v2.622.00ac000.0.r.200320 | NVD |
amcrest ip8m-t2499ew_firmware amcrest:ip8m-t2499ew_firmware | before v2.622.00ac000.0.r.200320 | NVD |
amcrest ipm-hx1_firmware amcrest:ipm-hx1_firmware | before v2.420.ac00.18.r.20200217 | NVD |
References
- https://www.tenable.com/security/research/tra-2020-20x-refsource-misc, third-party-advisory
- http://packetstormsecurity.com/files/157164/Amcrest-Dahua-NVR-Camera-IP2M-841-Denial-Of-Service.htmlx-refsource-misc, exploit, third-party-advisory, vdb-entry
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-5735us-government-resource
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.