Vardion

Every exploited vulnerability

CVE-2017-7921 in Hikvision Multiple Products: known exploited

Generated from its entry in CISA's catalogue of known exploited vulnerabilities as of 3 November 2026.

Attackers are exploiting CVE-2017-7921 in Hikvision Multiple Products. CISA has listed it as known exploited since 5 March 2026.

ProductHikvision Multiple Products
Known exploited since5 March 2026
Ransomware useNot recorded
EU vulnerability databaseEUVD-2017-16892
SourcesNVD · CISA KEV

What it means

Attackers have used this vulnerability in real attacks. An unpatched Hikvision Multiple Products that can be reached from the internet is exposed to them.

What to do

  1. Apply the vendor's fix to every system running Hikvision Multiple Products, starting with those reachable from the internet. Take a system off the internet until it can be fixed.
  2. Check the system for signs that it was reached before the fix.

How Vardion finds it

Wherever a scan or your imported scanner results find CVE-2017-7921, Vardion names the systems affected and puts the fix at the top of the list.

Know before an attacker does

Book a demoCheck your domain