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Public proof of conceptFix available

CVE-2020-9529

A public proof of concept exists; no exploitation attested.

  • Published2020-08-10
  • Fixed in2020-06-29

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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 a privilege escalation vulnerability that allows attackers on the local network to reset the device's administrator password. 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.

Timeline

dates in UTC
  1. 2020-08-1016:15CVE publishedNVD
  2. 2026-10-2319:23First public proof of conceptPoC-in-GitHub

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2020-9529?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2020-9529?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Hichip shenzhen hichip vision technology firmware
BranchAffectedFixed in
2020.x< 2020-06-292020-06-29

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

  1. Update Hichip shenzhen hichip vision technology firmware to 2020-06-29

Detection

read 2026-10-23 19:23 UTC
Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
1 repository, unverifiedprisect/hichipreset
PoC-in-GitHub

Sources

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2020-08-10
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2020-9529?

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 a privilege escalation vulnerability that allows attackers on the local network to reset the device's administrator password. 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.

Is CVE-2020-9529 actively exploited?

Active exploitation of CVE-2020-9529 has not been confirmed. Its EPSS score was 3.0% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-9529?

CVE-2020-9529 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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