If you cannot find a legitimate for your niche brand (e.g., Foscam, Wanscam, SV3C, Zosi), accept that a software solution does not exist. Here is your hardware fallback:

Resetting an IP camera often requires manufacturer-specific software to "handshake" with the device. Because each brand uses proprietary encryption, there is no single "universal" tool; instead, you must download the utility corresponding to your camera's brand.