PT-2026-4510 · Unknown · Managed Switch Port Mapping Tool

Ismael Nava · Published 2026-01-23 · Updated 2026-01-24 · CVE-2021-47894

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Managed Switch Port Mapping Tool version 2.85.2

Description The software contains a denial of service issue that allows attackers to crash the application. This is achieved by creating an oversized buffer. Specifically, 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. The vulnerable parameters are the IP Address and SNMP Community Name fields.

Recommendations Update to a newer version that contains a fix for this vulnerability. As a temporary workaround, limit the length of input accepted in the IP Address and SNMP Community Name fields.

Exploit

Fix

DoS

Allocation of Resources Without Limits

Weakness Enumeration

CWE-770

Related Identifiers

CVE-2021-47894

Affected Products

Managed Switch Port Mapping Tool

References · 7

• 🔥 https://exploit-db.com/exploits/49566 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-47894 · Security Note
• https://vulncheck.com/advisories/managed-switch-port-mapping-tool-denial-of-service · Note
• https://switchportmapper.com/download.htm · Note
• https://switchportmapper.com · Note
• https://t.me/CVEtracker/42858 · Telegram Post
• https://twitter.com/CVEnew/status/2014995837152379334 · Twitter Post