diff --git a/dji_imah_fwsig.py b/dji_imah_fwsig.py
index 2ee3b201..aa8d7554 100755
--- a/dji_imah_fwsig.py
+++ b/dji_imah_fwsig.py
@@ -77,6 +77,12 @@
     ]),
     # There are multiple PUEK keys, as DJI tried changing them as soon as they are published,
     # without fixing vulnerabilities which allowed to read them
+    "PUEK-2017-09":  bytes([ # Programming Update Enc Key whitebox AES v2; first discovered 2018-02-12 by Jan Dumon
+        # discovered and published 2025-11-04 by joint efforts DF&C Lab. at Kookmin University (South Korea) and the Cyber Security Team at Korea Atomic Energy Research Institute (KAERI)
+        # first use on 2017-09-20; used for:
+        # WM100 FW V01.00.0700-V01.00.1000, WM620 FW V01.02.0100-V01.02.0500
+        0x52, 0x52, 0x36, 0x47, 0x0b, 0x80, 0x5a, 0x16, 0x19, 0x9e, 0x66, 0x35, 0x70, 0x4a, 0x89, 0x63
+    ]),
     "PUEK-2017-07":  bytes([ # Programming Update Enc Key whitebox AES v1; published 2017-10-25 by Freek van Tienen
         # first use on 2017-07-28; used for: WM335 FW V01.00.1000-V01.00.5200,
         # WM220 FW V01.04.0000-V01.04.0500, PM420 FW V01.01.0450-V01.01.0590,