N36 AI NVR Platform

Support Nx Witness VMS

Cloud Storage Enhancement (P2P SDK)

Add Fire Detection, Video Metadata, and Manual Alarm

Support Fisheye IPC and AI ISP

Add Non-Motor Vehicle Detection and License Plate Statistics

Optimize Smart Analytics and Face Recognition

Optimize Smart Illumination, Privacy Mask, and Sensitivity

Support Password Reset via Search Tool

Add Web API Permission Control

Add Firmware Rollback Protection

Optimize P2P Stability and High Frame Rate Performance

Add Smart Disk Partitioning

Add IVMS Event Support

Improve System Stability and Security

<a href="https://cstsecurity.com/wp-content/uploads/2026/08/NVR_N36_BV_AI_A00038268_V2.1.2.260521_R2.zip" style="text-decoration: none; font-size: 16px;" target="_blank">

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N36 NVR Platform

Added sound detection, illegal parking, line crossing counting & statistics, and face/human/vehicle statistics.

Added camera support for AI Allocation

Added smart display and one-click disarm

Supported HDD hot swap and IPC I-frame/bitrate configuration.

Search module now supports new event types.

Fixed P2P playback stop issue at the last page

<a href="https://cstsecurity.com/wp-content/uploads/2026/02/NVR_N36_BV_V2.1.1.260225_R2.zip" style="text-decoration: none; font-size: 16px;" target="_blank">

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N31 NVR Platform

Support Nx Witness VMS

Cloud Storage Enhancement (P2P SDK Update)

Add Fire Detection, Manual Alarm, Video Metadata, and License Plate Statistics

Support Lite Customization Tool and Password Reset via Search Tool

Optimize Smart Detection (Sensitivity, Privacy Mask, Smart Illumination, and Object Events)

Add Non-Motor Vehicle Detection and IVMS Event Support

Support IPC AI ISP and Full Point Protocol

Optimize High Frame Rate IPC Performance and P2P Stability

Add Web API Permission Control and Firmware Rollback Protection

Improve System Stability, Compatibility, and Security

Remove Internet Explorer Support

<a href="https://cstsecurity.com/wp-content/uploads/2026/08/NVR_N31_BV_A00038268_V2.1.3.260710_R6.zip" style="text-decoration: none; font-size: 16px;" target="_blank">

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N32 NVR Platform

Added sound detection, illegal parking, line crossing counting & statistics, and face/human/vehicle statistics.

Added camera support for AI Allocation

Support for Profile S, G, and T

Supports restoring default settings for IPCs using private protocols.

<a href="https://cstsecurity.com/wp-content/uploads/2026/02/NVR_N32_BV_V2.1.1.260204_R2.zip" style="text-decoration: none; font-size: 16px;" target="_blank">

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N33 AI NVR Platform

Support Nx Witness VMS

Cloud Storage Enhancement (P2P SDK)

Add Fire Detection, Video Metadata, and Manual Alarm

Support Fisheye IPC and AI ISP

Add Non-Motor Vehicle Detection and License Plate Statistics

Optimize Smart Analytics and Face Recognition

Optimize Smart Illumination, Privacy Mask, and Sensitivity

Support Password Reset via Search Tool

Add Web API Permission Control

Add Firmware Rollback Protection

Optimize P2P Stability and High Frame Rate Performance

Add Smart Disk Partitioning

Add IVMS Event Support

Improve System Stability and Security

<a href="https://cstsecurity.com/wp-content/uploads/2026/08/NVR_N33_BV_AI_A00038268_V2.1.3.260713_R8.zip" style="text-decoration: none; font-size: 16px;" target="_blank">

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N33 NVR Platform

Added sound detection, illegal parking, line crossing counting & statistics, and face/human/vehicle statistics.

Added camera support for AI Allocation

Added smart display and one-click disarm

<a href="https://cstsecurity.com/wp-content/uploads/2026/01/NVR_N33_BV_V2.1.0.251113_R1.zip" style="text-decoration: none; font-size: 16px;" target="_blank">

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KL5 IPC Platform

Fixed known alarm center linkage issues.

Fixed ONVIF light duration and red/blue light configuration issues.

Fixed heat map statistics issue for warning areas.

Fixed HK NVR smart event triggering issue via private protocol.

Fixed motion detection issue under vehicle detection mode.

Fixed WebSocket timestamp issue causing playback and OSD time mismatch.

<a href="https://cstsecurity.com/wp-content/uploads/2026/05/KL5_1ND_BVHB_A00038268_V2.0.13.260306_R2.zip" style="text-decoration: none; font-size: 16px;" target="_blank">

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KL8 IPC Platform

Added License Plate Detection, Object Left Behind, Object Removal, and Heatmap with statistical analysis.

Improved face detection accuracy and speed, and enhanced illegal parking detection with plate-based configuration support.

Optimized system upgrade efficiency and preview interface stability

<a href="https://cstsecurity.com/wp-content/uploads/2026/02/KL8_1ND_BVHB_A00038268_V2.0.12.251231_R5.zip" style="text-decoration: none; font-size: 16px;" target="_blank">

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FCV5 IPC Platform

Fixed defog synchronization issue between Uniview NVR and IPC.

Added ONVIF Profile M metadata push and Profile G playback support.

Enhanced smart detection (4–8 point areas, vehicle type detection).

Optimized alarm lighting logic (warm light supported).

<a href="https://cstsecurity.com/wp-content/uploads/2026/02/FCV5_16NR_BVHB_A00038268_V2.0.0.260106_R2.zip" style="text-decoration: none; font-size: 16px;" target="_blank">

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FCV8 IPC Platform

Enhanced log module with improved intelligent event display.

Added RTMP support and RTCP switch (disabled by default).

Added ONVIF Profile M metadata push and Profile G playback support.

Enhanced smart detection (4–8 point areas, vehicle type detection).

Optimized alarm lighting logic (warm light supported).

Supports DST synchronization with Hikvision NVR (5.0 / 4.0–2025) and Uniview NVR.

<a href="https://cstsecurity.com/wp-content/uploads/2026/02/FCV8_16NR_BVHB_A00038268_V2.0.0.260106_R2.zip" style="text-decoration: none; font-size: 16px;" target="_blank">

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NP4 IPC Platform

Added U.S. license plate recognition.

Fixed alarm server issues.

Fixed abnormal MJPEG RTSP preview issue.

<a href="https://cstsecurity.com/wp-content/uploads/2026/05/NP4_2ND_BVHB_A00038268_V2.0.0.260521_R3.zip" style="text-decoration: none; font-size: 16px;" target="_blank">

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NP8 IPC Platform

Added U.S. license plate support and optimized face/license plate detection for longer range and clearer snapshots.

Fixed AIISP no-image issue in low light and optimized AI snapshot OSD display.

Fixed known alarm server linkage and HK NVR smart event trigger issues.

Fixed issues with allowed plate deletion, line-crossing statistics, password input, and two-way audio after stream switching.

<a href="https://cstsecurity.com/wp-content/uploads/2026/05/NP8_2ND_BVHB_A00038268_V2.0.0.260516_R8.zip" style="text-decoration: none; font-size: 16px;" target="_blank">

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NP12* IPC Platform

Added support for abandoned object detection, object removal detection, license plate detection, illegal parking detection, line-crossing counting, and heat maps.

Fixed an issue where enabling AIISP would result in no image output in low-light environments.

Fixed an issue where MJPEG RTSP preview colors appeared nearly black and white.

Fixed an issue where region intrusion events would not be triggered when using Hik private protocol.

<a href="https://cstsecurity.com/wp-content/uploads/2026/04/NP12_2ND_BVHB_A00038268_V2.0.0.260328_R4.zip" style="text-decoration: none; font-size: 16px;" target="_blank">

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KS8* IPC Platform

Added support for abandoned object detection, object removal detection, license plate detection, illegal parking detection, line-crossing counting, heat maps, scene change detection, and audio detection.

Added RTMP support.

Fixed an issue where modifying the RTSP port via ONVIF would incorrectly indicate that the operation is unsupported.

Added anti-flicker support.

Added support for AAC and MP2L2 audio encoding.

Reduced the time required for network upgrade.

Added EPTZ support.

<a href="https://cstsecurity.com/wp-content/uploads/2026/04/KS8_1ND_BVHB_A00038268_V2.0.0.260410_R5.zip" style="text-decoration: none; font-size: 16px;" target="_blank">

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KS16* IPC Platform

Added support for abandoned object detection, object removal detection, license plate detection, illegal parking detection, line-crossing counting, heat maps, scene change detection, and audio detection.

Added RTMP support.

Fixed an issue where modifying the RTSP port via ONVIF would incorrectly indicate that the operation is unsupported.

Added anti-flicker support.

Added support for AAC and MP2L2 audio encoding.

Reduced the time required for network upgrade.

Added EPTZ support.

<a href="https://cstsecurity.com/wp-content/uploads/2026/04/KS16_1ND_BVHB_A00038268_V1.0.0.260411_R5.zip" style="text-decoration: none; font-size: 16px;" target="_blank">

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G28 XVR

Add TVI 5MP 20fps (16:9) and CVI 5MP 25fps Video Format Support

Optimize CVI Image Quality

Add Restart Confirmation Prompt

Support Regional Language and Feature Customization

Add Human Detection Email Snapshots

Add Secure Email Password Reset

Add Alarm Input Push Notifications

Optimize Startup Wizard Language

Add PTZ Presets and Patrol Support

Optimize IPv4 Configuration After Firmware Programming

Add Coaxial Resolution Auto Adaptation

Add Two-Way Audio Support

Fix Recording Permission Issue

Update SDK for Improved Device Compatibility

Add HTTPS Support

Add Web Cache Management

Add P2P Verification Code and Device Unbinding

Improve P2P Security and Stability

<a href="https://cstsecurity.com/wp-content/uploads/2026/08/XVR_G28_BD_A00038268_V2.0.3.260319_R2.zip" style="text-decoration: none; font-size: 16px;" target="_blank">

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F50 XVR

Add TVI 5MP 20fps (16:9) and CVI 5MP 25fps Video Format Support

Optimize CVI Image Quality

Add Restart Confirmation Prompt

Support Regional Language and Feature Customization

Add Human Detection Email Snapshots

Add Secure Email Password Reset

Add Alarm Input Push Notifications

Optimize Startup Wizard Language

Add PTZ Presets and Patrol Support

Optimize IPv4 Configuration After Firmware Programming

Add Coaxial Resolution Auto Adaptation

Add Two-Way Audio Support

Fix Recording Permission Issue

Update SDK for Improved Device Compatibility

Add HTTPS Support

Add Web Cache Management

Add P2P Verification Code and Device Unbinding

Improve P2P Security and Stability

<a href="https://cstsecurity.com/wp-content/uploads/2026/08/XVR_F50_BD_A00038268_V2.0.3.260401_R3.zip" style="text-decoration: none; font-size: 16px;" target="_blank">

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CNR-8108

Improved stability and bug fixes

<a href="https://cstsecurity.com/wp-content/uploads/2025/02/CNR-8108.zip" style="text-decoration: none; font-size: 16px;" target="_blank">

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CNR-8116

Improved stability and bug fixes

<a href="https://cstsecurity.com/wp-content/uploads/2025/02/CNR-8116.zip" style="text-decoration: none; font-size: 16px;" target="_blank">

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CNR-8116-P8

Improved stability and bug fixes

<a href="https://cstsecurity.com/wp-content/uploads/2025/02/CNR-8116-P8.zip" style="text-decoration: none; font-size: 16px;" target="_blank">

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CNR-8208-P8

Improved stability and bug fixes

<a href="https://cstsecurity.com/wp-content/uploads/2025/02/CNR-8208-P8.zip" style="text-decoration: none; font-size: 16px;" target="_blank">

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CNR-8216-P16

Improved stability and bug fixes

<a href="https://cstsecurity.com/wp-content/uploads/2025/02/CNR-8216-P16.zip" style="text-decoration: none; font-size: 16px;" target="_blank">

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CNR-8232

Improved stability and bug fixes

<a href="https://cstsecurity.com/wp-content/uploads/2025/02/CNR-8232.zip" style="text-decoration: none; font-size: 16px;" target="_blank">

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CNR-8432

Improved stability and bug fixes

<a href="https://cstsecurity.com/wp-content/uploads/2025/02/CNR-8432.zip" style="text-decoration: none; font-size: 16px;" target="_blank">

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CNR-8864

Improved stability and bug fixes

<a href="https://cstsecurity.com/wp-content/uploads/2025/06/CNR-8864.zip" style="text-decoration: none; font-size: 16px;" target="_blank">

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