Skip to main content

Security tracker

CVE-2017-7921: Hikvision Multiple Products Improper Authentication Vulnerability

In short

Hikvision Multiple Products has a weakness classified as improper authentication (CWE-287). CISA added it to its Known Exploited Vulnerabilities catalog on 2026-03-05. NVD lists CVSS 3.1 at 9.8 CRITICAL.

What it is

“Multiple Hikvision products contain an improper authentication vulnerability that could allow a malicious user to escalate privileges on the system and gain access to sensitive information.” — CISA KEV, retrieved 2026-11-01
“An Improper Authentication issue was discovered in Hikvision DS-2CD2xx2F-I Series V5.2.0 build 140721 to V5.4.0 build 160530, DS-2CD2xx0F-I Series V5.2.0 build 140721 to V5.4.0 Build 160401, DS-2CD2xx2FWD Series V5.3.1 build 150410 to V5.4.4 Build 161125, DS-2CD4x2xFWD Series V5.2.0 build 140721 to V5.4.0 Build 160414, DS-2CD4xx5 Series V5.2.0 build 140721 to V5.4.0 Build 160421, DS-2DFx Series V5.2.0 build 140805 to V5.4.5 Build 160928, and DS-2CD63xx Series V5.0.9 build 140305 to V5.3.5 Build 160106 devices. The improper authentication vulnerability occurs when an application does not adequately or correctly authenticate users. This may allow a malicious user to escalate his or her privileges on the system and gain access to sensitive information.” — NVD, retrieved 2026-11-01

Who is affected

Hikvision Multiple Products. NVD lists the following versions as affected:

  • Hikvision ds-2cd2032-i Firmware: all versions listed (no range given)
  • Hikvision ds-2cd2112-i Firmware: all versions listed (no range given)
  • Hikvision ds-2cd2132-i Firmware: all versions listed (no range given)
  • Hikvision ds-2cd2212-i5 Firmware: all versions listed (no range given)
  • Hikvision ds-2cd2232-i5 Firmware: all versions listed (no range given)
  • Hikvision ds-2cd2312-i Firmware: all versions listed (no range given)
  • Hikvision ds-2cd2332-i Firmware: all versions listed (no range given)
  • Hikvision ds-2cd2412f-i(w) Firmware: all versions listed (no range given)
  • Hikvision ds-2cd2432f-i(w) Firmware: all versions listed (no range given)
  • Hikvision ds-2cd2512f-i(s) Firmware: all versions listed (no range given)
  • Hikvision ds-2cd2532f-i(s) Firmware: all versions listed (no range given)
  • Hikvision ds-2cd2612f-i(s) Firmware: all versions listed (no range given)
  • Hikvision ds-2cd2632f-i(s) Firmware: all versions listed (no range given)
  • Hikvision ds-2cd2712f-i(s) Firmware: all versions listed (no range given)
  • Hikvision ds-2cd2732f-i(s) Firmware: all versions listed (no range given)
  • Hikvision ds-2cd2t32-i3 Firmware: all versions listed (no range given)
  • Hikvision ds-2cd2t32-i5 Firmware: all versions listed (no range given)
  • Hikvision ds-2cd2t32-i8 Firmware: all versions listed (no range given)
  • Hikvision ds-2cd4012f-(a) Firmware: all versions listed (no range given)
  • Hikvision ds-2cd4012f-(p) Firmware: all versions listed (no range given)
  • Hikvision ds-2cd4012f-(w) Firmware: all versions listed (no range given)
  • Hikvision ds-2cd4012fwd-(a) Firmware: all versions listed (no range given)
  • Hikvision ds-2cd4012fwd-(p) Firmware: all versions listed (no range given)
  • Hikvision ds-2cd4012fwd-(w) Firmware: all versions listed (no range given)
  • Hikvision ds-2cd4024f-(a) Firmware: all versions listed (no range given)
  • Hikvision ds-2cd4024f-(p) Firmware: all versions listed (no range given)
  • Hikvision ds-2cd4024f-(w) Firmware: all versions listed (no range given)
  • Hikvision ds-2cd4032fwd-(a) Firmware: all versions listed (no range given)
  • Hikvision ds-2cd4032fwd-(p) Firmware: all versions listed (no range given)
  • Hikvision ds-2cd4032fwd-(w) Firmware: all versions listed (no range given)
  • Hikvision ds-2cd4112f-i(z) Firmware: all versions listed (no range given)
  • Hikvision ds-2cd4112fwd-i(z) Firmware: all versions listed (no range given)
  • Hikvision ds-2cd4124f-i(z) Firmware: all versions listed (no range given)
  • Hikvision ds-2cd4132fwd-i(z) Firmware: all versions listed (no range given)
  • Hikvision ds-2cd4212f-i(h) Firmware: all versions listed (no range given)
  • Hikvision ds-2cd4212f-i(s) Firmware: all versions listed (no range given)
  • Hikvision ds-2cd4212f-i(z) Firmware: all versions listed (no range given)
  • Hikvision ds-2cd4212fwd-i(h) Firmware: all versions listed (no range given)
  • Hikvision ds-2cd4212fwd-i(s) Firmware: all versions listed (no range given)
  • Hikvision ds-2cd4212fwd-i(z) Firmware: all versions listed (no range given)
  • Hikvision ds-2cd4224f-i(h) Firmware: all versions listed (no range given)
  • Hikvision ds-2cd4224f-i(s) Firmware: all versions listed (no range given)
  • Hikvision ds-2cd4224f-i(z) Firmware: all versions listed (no range given)
  • Hikvision ds-2cd4232fwd-i(h) Firmware: all versions listed (no range given)
  • Hikvision ds-2cd4232fwd-i(s) Firmware: all versions listed (no range given)
  • Hikvision ds-2cd4232fwd-i(z) Firmware: all versions listed (no range given)
  • Hikvision ds-2cd4312f-i(h) Firmware: all versions listed (no range given)
  • Hikvision ds-2cd4312f-i(s) Firmware: all versions listed (no range given)
  • Hikvision ds-2cd4312f-i(z) Firmware: all versions listed (no range given)
  • Hikvision ds-2cd4324f-i(h) Firmware: all versions listed (no range given)
  • Hikvision ds-2cd4324f-i(s) Firmware: all versions listed (no range given)
  • Hikvision ds-2cd4324f-i(z) Firmware: all versions listed (no range given)
  • Hikvision ds-2cd4332fwd-i(h) Firmware: all versions listed (no range given)
  • Hikvision ds-2cd4332fwd-i(s) Firmware: all versions listed (no range given)
  • Hikvision ds-2cd4332fwd-i(z) Firmware: all versions listed (no range given)
  • Hikvision ds-2cd6412fwd Firmware: all versions listed (no range given)
  • Hikvision ds-2dfx Series Firmware: all versions listed (no range given)
  • Hikvision ds-2cd63xx Series Firmware: all versions listed (no range given)

Exploitation status

CISA KEV added: 2026-03-05. Known ransomware campaign use: Not reported by CISA. Due date CISA set for US federal civilian agencies: 2026-03-26.

Scores

NVD CVSS 3.1: 9.8 CRITICAL; vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H; source [email protected].

EPSS by FIRST: 100.00%; percentile 99.99; score date 2026-10-31. EPSS estimates the probability of exploitation in the next 30 days.

CWE: CWE-287.

Timeline

Source events
DateEvent
2017-05-06T00:29:00.350NVD published
2026-03-05CISA KEV added
2026-03-26CISA KEV due
2026-06-17T01:25:28.927NVD last modified
2026-10-31FIRST EPSS score

CISA required action

“Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.” — CISA KEV

What to do

  • Confirm whether you run Hikvision Multiple Products and which version.
  • Apply the vendor update or mitigation in the advisory.
  • Follow CISA’s required action.
  • Review the vendor guidance on signs of compromise.
  • Track the fix through completion.

Sources and dates

CISA Known Exploited Vulnerabilities Catalog, version 2026.10.30; retrieved 2026-11-01. CISA KEV data: CC0 1.0. No endorsement by CISA.

NVD retrieved: 2026-11-01. This product uses the NVD API but is not endorsed or certified by the NVD.

EPSS scores by FIRST; score date 2026-10-31.

Check your own domain's public security settings

The snapshot checks a domain you own or are authorized to check for DNS, HTTPS/TLS and web-header hygiene. It does not test for this CVE.