Buffer overflow in Iforwarder And Upredsun Technologies, Llc. Port Forwarding Wizard
CVE-2020-37025
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.002 (7.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 7th percentile — 7.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000
Affected products
- Iforwarder And Upredsun Technologies, Llc. Port Forwarding Wizard — versions 4.8.0
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/48695 (exploit)
- www.port-forwarding.net/ (product)
- www.vulncheck.com/advisories/port-forwarding-wizard-buffer-overflow (third-party-advisory)
Frequently asked questions
- What is CVE-2020-37025?
- CVE-2020-37025 is a high-severity vulnerability in Iforwarder And Upredsun Technologies, Llc. Port Forwarding Wizard, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.4/10. Published 2026-01-30.
- How severe is CVE-2020-37025?
- High severity. CVSS v3 base score is 8.4 out of 10.