CVE-2021-47894

HIGH

Managed Switch Port Mapping Tool <2.85.2 - DoS

Title source: llm

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.

Exploits (1)

exploitdb WORKING POC

by Ismael Nava · textdoswindows

https://www.exploit-db.com/exploits/49566

View Code ZIP pw:eip

References (4)

[Exploit, Third Party Advisory] https://www.exploit-db.com/exploits/49566

[Various Sources] https://switchportmapper.com/

[Various Sources] https://switchportmapper.com/download.htm

[Third Party Advisory] https://www.vulncheck.com/advisories/managed-switch-port-mapping-tool-denial-of-service

Scores

CVSS v3 7.5

EPSS 0.0004

EPSS Percentile 12.4%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment

Exploitation poc

Automatable yes

Technical Impact partial

Details

CWE

CWE-770

Status published

Published Jan 23, 2026

Tracked Since Feb 18, 2026