Yesterday, we learned of a OMA-DM vulnerability affecting BlackBerry devices. Another vulnerability has been discovered and BlackBerry has issued a Knowledge Base article.
This particular vulnerability is exploitable in the way BlackBerry 10 implements file sharing over WiFi. An attacker could gain access to your shared files, even if you have a password setup.
Of course, the attacker would need to be on the same WiFi network as the target device. Although, BlackBerry has already patched the vulnerability in OS 10.2.1.1925 and newer.
However, if you for some reason haven’t updated since OS 10.2.1.1925 and are on a public WiFi network, it is highly recommended to disable WiFi file sharing.