ACTIVELY EXPLOITED
CVE-2017-6744: Cisco IOS Software SNMP Remote Code Execution Vulnerability
| Vendor | Cisco |
|---|---|
| Product | IOS software |
| Actively exploited | Yes |
| Added to CISA KEV | 3 Mar 2022 |
| CISA federal deadline | 24 Mar 2022 |
| Weakness (CWE) | CWE-119 |
Required action (CISA's text)
Apply updates per vendor instructions.
Description (NVD)
The Simple Network Management Protocol (SNMP) subsystem of Cisco IOS 1 contains a vulnerability that could allow an authenticated, remote attacker to remotely execute code on an affected system or cause an affected system to reload. An attacker could exploit these vulnerabilities by sending a crafted SNMP packet to an affected system via IPv4 or IPv6.
SOURCES
Other Cisco flaws
- CVE-2026-20320: Cisco BroadWorks Improper Restriction of XML External Entity Reference Vulnerability
- CVE-2026-76418: Cisco Secure Firewall ASA Software and Cisco Secure FTD Software Unchecked Return Value to NULL Pointer Dereference Vulnerability
- CVE-2026-76519: Cisco Secure Email Gateway Relative Path Traversal Vulnerability
- CVE-2026-76504: Cisco Catalyst SD-WAN Manager Hex Encoding Vulnerability
- CVE-2026-76460: Cisco Identity Services Engine Incorrect Use of Privileged APIs Vulnerability
Data from NVD, CISA KEV, FIRST EPSS and vendor advisories. Updated 10 Nov 2026.