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High · 8.4 CVE-2020-37025 EUVD-2020-30951GHSA-fpjq-x42p-j7jq

Port Forwarding Wizard 4.8.0 - Buffer Overflow

Published Jan 30, 2026 · Updated Feb 3, 2026 · Assigned by VulnCheck

Description

Port Forwarding Wizard 4.8.0 contains a buffer overflow vulnerability that allows local attackers to execute arbitrary code through a long request in the Register feature. Attackers can craft a malicious payload with an egg tag and overwrite SEH handlers to potentially execute shellcode on vulnerable Windows systems.

Affected products

VendorProductAffectedFixed
iForwarder and upRedSun Technologies, LLC. Port Forwarding Wizard 4.8.0 —

References