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CVE-2021-33045

KEV
Updated Jan 12, 2026 · PUBLISHED
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Description

Dahua IP cameras and related products contain an authentication bypass vulnerability when the loopback device is specified by the client during authentication.

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Affected packages

PackageVendor / ProductVersion rangeStatus
Some Dahua IP Camera, Video Intercom, NVR, XVR devicesn/a / Some Dahua IP Camera, Video Intercom, NVR, XVR devicesDahua IP Camera devices IPC-HX3XXX, IPC-HX5XXX, and IPC-HUM7XXX Buildtime before May, 2020, Video Intercom devices VTO75X95X, VTO65XXX, and VTH542XH, NVR devices NVR1XXX, NVR2XXX, NVR5XXX, and NVR6XX, XVR devices XVR4xxx, XVR5xxx, and XVR7xxx Buildtime before December, 2019.affected