CVE-2025-65403: Buffer Overflow
Published Dec 1, 2025
·Updated
A buffer overflow in the gcfg.MaxUsers component of LightFTP v2.0 allows attackers to cause a Denial of Service (DoS) via a crafted input.
Affected Software
2 affected components
LightFTP LightFTP
Hfiref0x Lightftp=2.0
Event History
Dec 1, 2025
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Data Sourced
via NVD·04:15 PM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2025-65403?
CVE-2025-65403 is classified as a high severity vulnerability due to its potential to cause a Denial of Service.
2
How do I fix CVE-2025-65403?
To fix CVE-2025-65403, upgrade to the latest version of LightFTP which resolves the buffer overflow issue.
3
What components of LightFTP are affected by CVE-2025-65403?
CVE-2025-65403 affects the g_cfg.MaxUsers component of LightFTP v2.0.
4
What type of attack does CVE-2025-65403 enable?
CVE-2025-65403 enables attackers to execute a Denial of Service attack through crafted input.
5
Can CVE-2025-65403 be exploited remotely?
Yes, CVE-2025-65403 can be exploited remotely by sending specially crafted input to the affected component.