CVE-2018-25366 CuteFTP 5.0 XP Buffer Overflow via Site Manager Label Field
Local attackers can execute arbitrary code by exploiting a buffer overflow in the CuteFTP Site Manager label field.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-25366?
CVE-2018-25366 is a high-severity memory corruption vulnerability in globalscape CuteFTP, published on 25 May 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
CuteFTP 5.0 XP contains a buffer overflow vulnerability that allows local attackers to execute arbitrary code by injecting malicious payload into the Site Manager label field. Attackers can craft a payload exceeding 520 bytes that overwrites the return address and executes shellcode when a shortcut is created and launched.
Weakness: CWE-120
Which versions are affected by CVE-2018-25366?
How do I fix CVE-2018-25366?
No fix has been published for CVE-2018-25366 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2018-25366 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2018-25366 exists.
Sources
Also known as GHSA-3hrq-94cp-44pf.