I understand you're looking for information on the latest firmware for the FortiGate 200D. However, please note that the reached End of Engineering (EOE) and End of Support (EOS) several years ago. As of my knowledge cutoff in late 2025 and current Fortinet lifecycle dates, the last recommended firmware versions for the 200D were from the v6.0 or v6.2 train.
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: At this version, the firmware is considered "Mature," meaning it is rock-solid for production environments but will not receive new features. fortigate 200d latest firmware updated
Certificate Updates: Older firmware often contains expired or weak root certificates, which can break SSL inspection and cloud-based security feeds. I understand you're looking for information on the