Recent content by guhuozai

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    Hikvision NVR/DVR .dav Firmware Unpacking, Modification, and Structural Integrity Verification (Tested on K41 NVR)

    Hi everyone, I've been working on Hikvision K41 NVR firmware modification for a while, and I wanted to share my findings and give back to this community. This post covers unpacking, modifying, repacking, and verifying four K41 firmware versions. I'm also responding to a few existing threads...
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    Hikvision NVR .dav Firmware Unpacking, Modification, and Structural Integrity Verification — K41 Series (3.4.87 / 3.5.30 / 3.5.35 / 4.1.50)

    大家好， 我一直在研究海康威视K41 NVR固件修改，想分享我的研究成果，回馈一下社区。这篇文章主要介绍了四个K41固件版本的解压、修改、重新分配和验证过程。我还回复了一些之前对我帮助很大的帖子。 学术研究声明：本文所述的对海康威视K41 NVR加固的解包、修改和重新定位仅用于学术研究和教育目的。目标是遵守嵌入式加固结构、启动流程和静态完整性验证方法。此项工作不涉及、支持或鼓励任何其他安全威胁，包括默认授权的访问、攻击、绕过任何安全机制、接入后门或非法使用。未进行任何物理刷写操作操作，也未尝试绕过数字签名验证。测试目标仅限于K41 NVR；未测试DVR设备和其他平台。...
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    • firmware hhikvision
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    • Forum: Hikvision
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