CVE-2017-6741

HIGH

Cisco IOS XE - Authenticated Remote Code Execution via SNMP Buffer Overflow

Title source: llm
STIX 2.1

Description

A vulnerability in the SNMP implementation of could allow an authenticated, remote attacker to cause a reload of the affected system or to remotely execute code. An attacker could exploit this vulnerability by sending a crafted SNMP packet to the affected device.  The vulnerability is due to a buffer overflow in the affected code area. The vulnerability affects all versions of SNMP (versions 1, 2c, and 3). The attacker must know the SNMP read only community string (SNMP version 2c or earlier) or the user credentials (SNMPv3). An exploit could allow the attacker to execute arbitrary code and obtain full control of the system or to cause a reload of the affected system. Only traffic directed to the affected system can be used to exploit this vulnerability.

Scores

CVSS v3 8.8
EPSS 0.0635
EPSS Percentile 92.8%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-119
Status published
Products (50)
Cisco/Cisco IOS XE Software 16.2.1
Cisco/Cisco IOS XE Software 16.2.2
Cisco/Cisco IOS XE Software 16.3.1
Cisco/Cisco IOS XE Software 16.3.1a
Cisco/Cisco IOS XE Software 16.3.2
Cisco/Cisco IOS XE Software 16.3.3
Cisco/Cisco IOS XE Software 16.3.4
Cisco/Cisco IOS XE Software 16.4.1
Cisco/Cisco IOS XE Software 16.4.2
Cisco/Cisco IOS XE Software 16.5.1
... and 40 more
Published Jul 17, 2017
Tracked Since Feb 18, 2026