CVE-2020-9528
CWE-327Published: August 10, 2020· Updated: Jun 17, 2026
Official Description
Firmware developed by Shenzhen Hichip Vision Technology (V6 through V20), as used by many different vendors in millions of Internet of Things devices, suffers from cryptographic issues that allow remote attackers to access user session data, as demonstrated by eavesdropping on user video/audio streams, capturing credentials, and compromising devices. This affects products marketed under the following brand names: Accfly, Alptop, Anlink, Besdersec, BOAVISION, COOAU, CPVAN, Ctronics, D3D Security, Dericam, Elex System, Elite Security, ENSTER, ePGes, Escam, FLOUREON, GENBOLT, Hongjingtian (HJT), ICAMI, Iegeek, Jecurity, Jennov, KKMoon, LEFTEK, Loosafe, Luowice, Nesuniq, Nettoly, ProElite, QZT, Royallite, SDETER, SV3C, SY2L, Tenvis, ThinkValue, TOMLOV, TPTEK, WGCC, and ZILINK.
Technical Analysis
CVE-2020-9528 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 7.5.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
All References (4)
Quick Facts
Related CVEs (CWE-327)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2020-9528 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts