V4.02.r11 H.264 H.265 Dvr Nvr Firmware Download ((free))

Firmware Update Guide for V4.02.r11 H.264 H.265 DVR and NVR Systems

| CVE ID | Description | Base Score | Official Recommendation | | :--- | :--- | :--- | :--- | | | Unauthenticated attackers can crash the web server or execute arbitrary code via a specially crafted HTTP request. | 9.8 (CRITICAL) | Update to a patched firmware version immediately. | | CVE-2021-41506 | A backdoor exists due to static root account credentials hardcoded into the firmware. | 9.8 (CRITICAL) | Isolate the device on a secure VLAN and update firmware. | | CVE-2020-22253 | Port 9530 is left open, allowing unauthenticated attackers to make arbitrary Telnet connections. | 9.8 (CRITICAL) | Block port 9530 on your network firewall. |

: Specifically designed for HiSilicon chipsets including Hi3520, Hi3521, Hi3531, and Hi3536 series.

Surveillance technology evolves rapidly, and older firmware versions leave systems exposed to cyber threats and performance bottlenecks. The V4.02.r11 release introduces several foundational upgrades: V4.02.r11 H.264 H.265 Dvr Nvr Firmware Download

Before downloading, check your system information:

: Supports 960H, 1080N AHD, 1080p, 4MP, and 5MP resolution levels depending on the specific hardware SoC. Compression Standards : Full support for H.265 (HEVC)

Are you experiencing a (like cloud offline or rebooting)? Firmware Update Guide for V4

Yes, there is a significant risk. Third-party files may be corrupted, infected with malware, or incompatible, which could "brick" your device.

hardware, such as the Hi3520, Hi3521, and Hi3536 series. This version provides essential compatibility for devices supporting both

Plug the USB flash drive into an open USB port on your DVR or NVR. Open the on your monitor screen. | : Specifically designed for HiSilicon chipsets including

Видеонаблюдение в Сергиевом Посаде Compatibility & Hardware This firmware version is designed for devices utilizing Hisilicon System-on-Chip (SoC)

More stable remote viewing via the XMeye and XMeye Pro mobile apps.