CVE-2021-47894
High
Description
Managed Switch Port Mapping Tool 2.85.2 contains a denial of service vulnerability that allows attackers to crash the application by creating an oversized buffer. Attackers can generate a 10,000-character buffer and paste it into the IP Address and SNMP Community Name fields to trigger the application crash.
SeverityHigh
CVSS7.5
Exploit probability—
ProductManaged Switch Port Mapping Tool
PublishedJan 23, 2026
First seenJan 23, 2026
Weakness typeCWE-770Allocation of resources without limits
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Northwest Performance Software, Inc. Managed Switch Port Mapping Tool | 2.85.2 | — |
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