Qolsys IQ Panel (aka QOL) before 1.5.1 has hardcoded cryptographic keys, which allows remote attackers to create digital signatures for code by leveraging knowledge of a key from a different installation.
Qolsys IQ Panel (aka QOL) before 1.5.1 does not verify the digital signatures of software updates, which allows man-in-the-middle attackers to bypass intended access restrictions via a modified update.
Under certain circumstances IQ Panel4 and IQ4 Hub panel software prior to version 4.4.2 could allow unauthorized access to settings.