SLnet.exe in SeattleLab SLNet RF Telnet Server 4.1.1.3758 and earlier allows user-assisted remote attackers to cause a denial of service (crash) via unspecified telnet options, which triggers a NULL pointer dereference. NOTE: the crash is not user-assisted when the server is running in debug mode.
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.