Dhi-nvr4108h-8p Firmware -

DHI-NVR4108H-8P (and its modern equivalent, the NVR4108-8P-4KS2/L

1. Security Vulnerabilities

In 2021, a critical backdoor (CVE-2021-33044) was discovered in older Dahua firmware. Attackers could remotely log in with a specially crafted cookie. The dhi-nvr4108h-8p firmware released after 2022 patches this. dhi-nvr4108h-8p firmware

6. Recommendations

• Do not upgrade unless a feature is missing or a security vulnerability is fixed.
• For units older than 2019, consider stepwise upgrades: intermediate version may be needed.
• If cameras are from different brands, test one channel first after upgrade.
• Keep a copy of the working firmware before upgrading.

Device Info: