Buffer overflow in Sharing-File Easy File Sharing Web Server
CVE-2019-25466
Easy File Sharing Web Server 7.2 contains a local structured exception handling buffer overflow vulnerability that allows local attackers to execute arbitrary code by creating a malicious username. Attackers can craft a username with a payload containing 4059 bytes of padding followed by a nseh value and seh pointer to trigger the overflow when adding a new user account.
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 (3.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 3.7% 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
- Sharing-File Easy File Sharing Web Server — versions 7.2
Weakness classification (CWE)
References
- ExploitDB-47411 (exploit)
- VulnCheck Advisory: Easy File Sharing Web Server 7.2 Local SEH Overflow (third-party-advisory)
Frequently asked questions
- What is CVE-2019-25466?
- CVE-2019-25466 is a high-severity vulnerability in Sharing-File Easy File Sharing Web Server, classified under Out-of-bounds Write. CVSS score: 8.4/10. Published 2026-03-11.
- How severe is CVE-2019-25466?
- High severity. CVSS v3 base score is 8.4 out of 10.