SB2026050726 - Denial of service in Cisco SG350 and SG350X Series Managed Switches
Published: May 7, 2026
Security Bulletin ID
SB2026050726
CSH Severity
Medium
Patch available
NO
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Heap-based buffer overflow (CVE-ID: CVE-2026-20185)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error in the Simple Network Management Protocol (SNMP) subsystem. A remote user can send a specially crafted SNMP request, trigger a heap-based buffer overflow and cause a denial of service condition on the target system.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.