Vulnerability intelligence
CVE-2021-33044
Dahua IP Camera Authentication Bypass Vulnerability
Dahua IP Camera Firmware
The identity authentication bypass vulnerability found in some Dahua products during the login process. Attackers can bypass device identity authentication by constructing malicious data packets.
CVSS Score
9.8
Critical
EPSS — Exploit Probability
100%
Riskier than 100% of all CVEs · checked 2026-09-30
Exploitation
Confirmed in the wild
KEV since 2024-08-21
Remediation
Patch available
Federal deadline 2024-09-11
CISA required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. Deadline for federal agencies: 2024-09-11.
5 articles across 5 outlets · first covered Aug 20, 2026 · latest Aug 20, 2026
Coverage timeline
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Brute force attack hijacks Dahua cameras in Ukraine and Russiawww.securityweek.com · Aug 20, 2026
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Iran-linked actors scan Hikvision and Dahua cams via VPN for CVEssecurityaffairs.com · Mar 7, 2026
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Iran weaponises cameras with CVEs to plan missile strikeswww.darkreading.com · Mar 6, 2026
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Iran-linked Hackers Target Hikvision Cameras via CVE-2021-33044www.infosecurity-magazine.com · Mar 4, 2026
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Iranian actors exploit Hikvision and Dahua IP cameras via CVEsresearch.checkpoint.com · Mar 4, 2026