Buffer overflow in Hichip Shenzhen Vision Technology Firmware
CVE-2020-9527
Firmware developed by Shenzhen Hichip Vision Technology (V6 through V20, after 2018-08-09 through 2020), as used by many different vendors in millions of Internet of Things devices, suffers from buffer overflow vulnerability that allows unauthenticated remote attackers to execute arbitrary code via the peer-to-peer (P2P) service. 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.
Vulnerability class: Buffer Overflow
EPSS: 0.029 (85.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Hichip Shenzhen_hichip_vision_technology_firmware
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (x_refsource_MISC, Not Applicable)
- cve@mitre.org (x_refsource_MISC, Not Applicable)
Frequently asked questions
- What is CVE-2020-9527?
- CVE-2020-9527 is a critical-severity vulnerability in Hichip Shenzhen Vision Technology Firmware, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2020-08-10.
- How severe is CVE-2020-9527?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2020-9527 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.