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Cisco ASR 900 Series Aggregation Services Routers Buffer Overflow Vulnerability

Information

Severity

Severity

Critical

Family

Family

CISCO

CVSSv2 Base

CVSSv2 Base

10.0

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Solution Type

Solution Type

Vendor Patch

Created

Created

5 years ago

Modified

Modified

3 years ago

Summary

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.

Insight

Insight

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.

Detection Method

Detection Method

Checks if a vulnerable version is present on the target host.

Solution

Solution

Update to 3.17.3S, 3.18.2S or later.

Common Vulnerabilities and Exposures (CVE)