TI-2018-00173 Aliases CVE-2018-0209 GHSA-xxm7-jh4x-3p4j

Memory corruption in Cisco 550X Series Stackable Managed Switches

LOW 37CWE-119Published 2018-03-08 · Updated 2024-12-02

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: Denial of service
Confidentiality · integrity · availability: None · None · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.

Summary

A vulnerability in the Simple Network Management Protocol (SNMP) subsystem communication channel through the Cisco 550X Series Stackable Managed Switches could allow an authenticated, remote attacker to cause the device to reload unexpectedly, causing a denial of service (DoS) condition. The device nay need to be manually reloaded to recover. The vulnerability is due to lack of proper input throttling of ingress SNMP traffic over an internal interface. An attacker could exploit this vulnerability by sending a crafted, heavy stream of SNMP traffic to the targeted device. An exploit could allow the attacker to cause the device to reload unexpectedly, causing a DoS condition. Cisco Bug IDs: CSCvg22135.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.0158 75th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	Cisco 550X Series Stackable Managed Switches	Cisco 550X Series Stackable Managed Switches	—	No fix listed	CNA

Cisco 550X Series Stackable Managed Switches Vendor— Affected Cisco 550X Series Stackable Managed Switches Fixed in — No fix listed CNA

CPE configurations NVD · 21

CPE	Versions	Role	Vendor
cpe:2.3:o:cisco:small_business_500_series_stackable_managed_switches_firmware:2.2.5.68:::::::*	2.2.5.68	Vulnerable	Cisco
cpe:2.3:o:cisco:small_business_500_series_stackable_managed_switches_firmware:2.3.0.130:::::::*	2.3.0.130	Vulnerable	Cisco
cpe:2.3:h:cisco:sf500-24:-:::::::*	not specified by NVD	Running on	Cisco
cpe:2.3:h:cisco:sf500-24mp:-:::::::*	not specified by NVD	Running on	Cisco
cpe:2.3:h:cisco:sf500-24p:-:::::::*	not specified by NVD	Running on	Cisco
cpe:2.3:h:cisco:sf500-48:-:::::::*	not specified by NVD	Running on	Cisco
cpe:2.3:h:cisco:sf500-48mp:-:::::::*	not specified by NVD	Running on	Cisco
cpe:2.3:h:cisco:sf500-48p:-:::::::*	not specified by NVD	Running on	Cisco
cpe:2.3:h:cisco:sg500-28:-:::::::*	not specified by NVD	Running on	Cisco
cpe:2.3:h:cisco:sg500-28mpp:-:::::::*	not specified by NVD	Running on	Cisco

cpe:2.3:o:cisco:small_business_500_series_stackable_managed_switches_firmware:2.2.5.68:*:*:*:*:*:*:* Versions 2.2.5.68 Vulnerable ·Cisco
cpe:2.3:o:cisco:small_business_500_series_stackable_managed_switches_firmware:2.3.0.130:*:*:*:*:*:*:* Versions 2.3.0.130 Vulnerable ·Cisco
cpe:2.3:h:cisco:sf500-24:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
cpe:2.3:h:cisco:sf500-24mp:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
cpe:2.3:h:cisco:sf500-24p:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
cpe:2.3:h:cisco:sf500-48:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
cpe:2.3:h:cisco:sf500-48mp:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
cpe:2.3:h:cisco:sf500-48p:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
cpe:2.3:h:cisco:sg500-28:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
cpe:2.3:h:cisco:sg500-28mpp:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco

Show 11 more CPE

CPE	Versions	Role	Vendor
cpe:2.3:h:cisco:sg500-28p:-:::::::*	not specified by NVD	Running on	Cisco
cpe:2.3:h:cisco:sg500-52:-:::::::*	not specified by NVD	Running on	Cisco
cpe:2.3:h:cisco:sg500-52mp:-:::::::*	not specified by NVD	Running on	Cisco
cpe:2.3:h:cisco:sg500-52p:-:::::::*	not specified by NVD	Running on	Cisco
cpe:2.3:h:cisco:sg500x-24:-:::::::*	not specified by NVD	Running on	Cisco
cpe:2.3:h:cisco:sg500x-24mpp:-:::::::*	not specified by NVD	Running on	Cisco
cpe:2.3:h:cisco:sg500x-24p:-:::::::*	not specified by NVD	Running on	Cisco
cpe:2.3:h:cisco:sg500x-48:-:::::::*	not specified by NVD	Running on	Cisco
cpe:2.3:h:cisco:sg500x-48mp:-:::::::*	not specified by NVD	Running on	Cisco
cpe:2.3:h:cisco:sg500x-48p:-:::::::*	not specified by NVD	Running on	Cisco
cpe:2.3:h:cisco:sg500xg-8f8t:-:::::::*	not specified by NVD	Running on	Cisco

cpe:2.3:h:cisco:sg500-28p:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
cpe:2.3:h:cisco:sg500-52:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
cpe:2.3:h:cisco:sg500-52mp:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
cpe:2.3:h:cisco:sg500-52p:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
cpe:2.3:h:cisco:sg500x-24:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
cpe:2.3:h:cisco:sg500x-24mpp:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
cpe:2.3:h:cisco:sg500x-24p:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
cpe:2.3:h:cisco:sg500x-48:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
cpe:2.3:h:cisco:sg500x-48mp:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
cpe:2.3:h:cisco:sg500x-48p:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
cpe:2.3:h:cisco:sg500xg-8f8t:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2018-0209
2026-10-03 Alias added: GHSA-xxm7-jh4x-3p4j

References

Advisory 1

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180307-550x

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences