Executive Summary

Title Cisco ASR 900 Series Aggregation Services Routers Buffer Overflow Vulnerability
Name cisco-sa-20161102-tl1 First vendor Publication 2016-11-02
Vendor Cisco Last vendor Modification 2016-11-02
Severity (Vendor) N/A Revision N/A

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:C/I:C/A:C)
Cvss Base Score 10 Attack Range Network
Cvss Impact Score 10 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores


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.

The vulnerability exists because the affected software performs incomplete bounds checks on input data. An attacker could exploit this vulnerability by sending a malicious request to the TL1 port, which could cause the device to reload. An exploit could allow the attacker to execute arbitrary code and obtain full control of the system or cause a reload of the affected system.

Cisco has released software updates that address this vulnerability. There are workarounds that address this vulnerability. This advisory is available at the following link: http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161102-tl1


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Original Source

Url : http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco (...)

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-119 Failure to Constrain Operations within the Bounds of a Memory Buffer

CPE : Common Platform Enumeration

Os 7

Snort® IPS/IDS

Date Description
2016-11-03 TL1 ACT-USER login detected
RuleID : 40637 - Revision : 1 - Type : POLICY-OTHER

Nessus® Vulnerability Scanner

Date Description
2016-11-10 Name : The remote device is missing a vendor-supplied security patch.
File : cisco-sa-20161102-tl1.nasl - Type : ACT_GATHER_INFO

Alert History

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Date Informations
2016-11-11 13:25:54
  • Multiple Updates
2016-11-04 21:25:00
  • Multiple Updates
2016-11-02 17:24:27
  • First insertion