Vulnerability · Published Jan 30, 2026 · Assigned by VulnCheck
CVE-2020-37025Port Forwarding Wizard 4.8.0 - Buffer Overflow
High 8.4
In plain English
A high-severity buffer overflow in Port Forwarding Wizard from iForwarder and upRedSun Technologies, LLC.. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 8% of all known vulnerabilities).
Severity (CVSS 3.1)8.4High
Exploit odds (30 days)0.2%top 91.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official 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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| iForwarder and upRedSun Technologies, LLC. | Port Forwarding Wizard | 4.8.0 |
Weakness: CWE-120 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- ExploitDB-48695 exploit
- Vendor Homepage product
- VulnCheck Advisory: Port Forwarding Wizard 4.8.0 - Buffer Overflow third-party-advisory