CVE-2020-37025
Port Forwarding Wizard 4.8.0 - Buffer Overflow
Vexday Risk Score
21Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 8.4EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —
Lifecycle
30 Jan 2026Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
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.
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Affected products
iForwarder and upRedSun Technologies, LLC. · Port Forwarding Wizard