The vulnerability of the TL1 protocol implementation in Cisco IOS XR Network Convergence System (NCS) 4000 Series routers allows a attacker to cause service interruptions.

The vulnerability of the TL1 protocol implementation in Cisco IOS XR Network Convergence System NCS 4000 Series routers is related to uncontrolled memory allocation. Exploiting this vulnerability can allow an attacker to cause service failures...

CVE-2016-6441

A vulnerability in the Transaction Language 1 TL1 code of Cisco ASR 900 Series routers could allow an unauthenticated, remote attacker to cause a reload of, or remotely execute code on, the affected system. This vulnerability affects Cisco ASR 900 Series Aggregation Services Routers ASR902, ASR90...

Cisco ASR 900 Series Aggregation Services Routers Buffer Overflow Vulnerability

The Cisco ASR 900 Series are modular aggregation services routers. The Cisco ASR 900 has a security vulnerability in the Transaction Language 1 TL1 code that could allow a remote attacker to cause a reload of the affected system and remotely execute arbitrary code...

Cisco Transaction Language 1 (TL1) interface fails to properly validate accounts with blank passwords

Overview There is a vulnerability in the Cisco Transaction Language 1 TL1 login interface that could allow a remote attacker to gain access to a Cisco ONS device. Description Transaction Language 1 TL1 is a widely used telecommunications management protocol. A default account, CISCO15, contains a...