There was a Memory Corruption issue discovered in multiple models of Axis IP Cameras which causes a denial of service (crash). The crash arises from code inside libdbus-send.so shared object or similar.
https://www.axis.com/files/sales/ACV-128401_Affected_Product_List.pdf
https://www.axis.com/files/faq/Advisory_ACV-128401.pdf
https://blog.vdoo.com/2018/06/18/vdoo-discovers-significant-vulnerabilities-in-axis-cameras/