The Baxter Spectrum WBM (v16, v16D38) and Baxter Spectrum WBM (v17, v17D19, v20D29 to v20D32) when in superuser mode is susceptible to format string attacks via application messaging. An attacker could use this to read memory in the WBM to access sensitive information.

The Baxter Spectrum WBM does not perform mutual authentication with the gateway server host. This may allow an attacker to perform a man in the middle attack that modifies parameters making the network connection fail.

The Baxter Spectrum Wireless Battery Module (WBM) stores network credentials and PHI (only applicable to Spectrum IQ pumps using auto programming) in unencrypted form. An attacker with physical access to a device that hasn't had all data and settings erased may be able to extract sensitive information.