Setracker2 Android Companion App com.tgelec.setracker versions 3.1.5 and prior encrypts requests between the watch and its backend with static hardcoded AES keys and initialization vectors. This allows an attacker to decrypt Setracker2 watch traffic.
Credits
Huancheng Hu of Hasso Plattner Institute reported these vulnerabilities to CISA, with support from Prof. Christian Doerr.
