Amcrest Cameras and NVR Stack-based Buffer Overflow Vulnerability (CVE-2020-5735)
Severity: high · Patch status: patched · Since 2021-11-03 · CVE-2020-5735
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. CISA added CVE-2020-5735 to its Known Exploited Vulnerabilities catalog on Nov 3, 2021, which means attackers are exploiting it in the wild.
What to do
- Apply updates per vendor instructions.
- US federal agencies must remediate by May 3, 2022 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch
