# CVE-2017-6744: Cisco IOS Software SNMP Remote Code Execution Vulnerability

Source: https://junglewise.ai/threats/cve-2017-6744-cisco-ios-software-snmp-remote-code-execution-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2022-03-03. Updated: 2026-05-10  
License: CC BY 4.0 with a link back

CVE-2017-6744 · Severity: critical · CVSS 8.8 · Exploited in the wild · Published 2022-03-03

A buffer overflow vulnerability in the SNMP subsystem of Cisco IOS and IOS XE Software allows authenticated remote attackers to execute arbitrary code or cause a device reload. Exploitation requires sending crafted SNMP packets via IPv4 or IPv6 using valid community strings (v1/v2c) or user credentials (v3).

Technologies: [Cisco IOS](https://junglewise.ai/threats/technologies/ios), [Cisco Ios Software](https://junglewise.ai/threats/technologies/ios-software), [Cisco IOS XE](https://junglewise.ai/threats/technologies/ios-xe). Vendors: [Cisco](https://junglewise.ai/threats/vendors/cisco).

## Quick answers

**Is CVE-2017-6744 exploited in the wild?** Yes. CVE-2017-6744 is known to be exploited in the wild, first recorded on 3 March 2022. Treat it as urgent.

**How severe is CVE-2017-6744?** Critical severity, with a CVSS score of 8.8, published 3 March 2022.

**Which products and versions are affected?** Cisco IOS All versions of SNMP (1, 2c, 3) enabled; Cisco IOS XE All versions of SNMP (1, 2c, 3) enabled.

**Is there a fix for CVE-2017-6744?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2017-6744 attacked?** It is attacked over the network, in an operating system.

**Am I affected by CVE-2017-6744?** Check whether you run Cisco IOS, Cisco Ios Software or Cisco IOS XE. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- Cisco IOS All versions of SNMP (1, 2c, 3) enabled
- Cisco IOS XE All versions of SNMP (1, 2c, 3) enabled

## Timeline

- 2017-06-29: disclosed: Initial Cisco advisory publication
- 2022-03-03: kev added: Added to CISA Known Exploited Vulnerabilities Catalog

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