[ CVE-2020-5735 · Published 8 Apr 2020 ]
Amcrest Cameras and NVR Stack-based Buffer Overflow Vulnerability
Exploited · CISA KEV CVSS 8.8
EPSS 36%No fix listed yet
[ Why it matters ]Priority signals
- Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2021-11-03
- EPSS: 36% chance of exploitation in the next 30 days (higher than 98% of CVEs)
[ Description ]Official 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.
CISA: 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.
[ Fixes ]Fixes and patches
CISA required action (US federal deadline 3 May 2022): Apply updates per vendor instructions.
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.
[ References ]References
- packetstormsecurity.com/files/157164/Amcrest-Dahua-NVR-Camera-IP2M-841-Denial-Of-Servic…ExploitThird Party AdvisoryVDB Entry
- www.tenable.com/security/research/tra-2020-20Third Party Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalogUS Government Resource