Heap-based buffer overflow in Foxit WAC Server 2.1.0.910, 2.0 Build 3503, and earlier allows remote attackers to cause a denial of service (crash) and execute arbitrary code via a Telnet request with long options.
Improper Restriction of Operations within the Bounds of a Memory Buffer The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary.