Affected: Hikvision DS-KV9503, Hikvision DS-KV6113, Hikvision DS-KV6103, Hikvision DS-KV6133, Hikvision DS-KV8113, Hikvision DS-KV8213, Hikvision DS-KV8413, Hikvision DS-KD8003, Hikvision DS-KD8005, Hikvision DS-KV6114 and 3 more

Some Hikvision intercom products utilize an immutable factory value which should be obtained from local network or physical interaction with the device within their main card, which may allow attackers to forge a legitimate main card, thereby gaining the permission to issue cards.