Buffer overflow in Internet-Soft FTP Navigator
CVE-2019-25321
FTP Navigator 8.03 contains a stack overflow vulnerability that allows attackers to execute arbitrary code by overwriting Structured Exception Handler (SEH) registers. Attackers can craft a malicious payload that triggers a buffer overflow when pasted into the Custom Command textbox, enabling remote code execution and launching the calculator as proof of concept.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.007 (51.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 51.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: +0.000
Affected products
- Internet-Soft FTP Navigator
- Softpedia FTP Navigator — versions 8.03
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/47812 (Exploit, VDB Entry, Third Party Advisory, exploit)
- www.internet-soft.com/ (Product, product)
- www.exploit-db.com/exploits/47794 (Exploit, VDB Entry, exploit)
- www.vulncheck.com/advisories/ftp-navigator-stack-overflow-seh (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2019-25321?
- CVE-2019-25321 is a critical-severity vulnerability in Internet-Soft FTP Navigator, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2026-02-12.
- How severe is CVE-2019-25321?
- Critical severity. CVSS v3 base score is 9.8 out of 10.