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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.

PUBLISHED Reserved 2026-01-28 | Published 2026-01-30 | Updated 2026-02-03 | Assigner VulnCheck




HIGH: 8.4CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
HIGH: 8.4CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Problem types

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Product status

4.8.0
affected

Credits

Sarang Tumne finder

References

www.exploit-db.com/exploits/48695 (ExploitDB-48695) exploit

www.port-forwarding.net/ (Vendor Homepage) product

www.vulncheck.com/.../port-forwarding-wizard-buffer-overflow (VulnCheck Advisory: Port Forwarding Wizard 4.8.0 - Buffer Overflow) third-party-advisory

cve.org (CVE-2020-37025)

nvd.nist.gov (CVE-2020-37025)

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