CVE-2018-25233 WebDrive 18.00.5057 Denial of Service via Secure WebDAV
Local attackers can crash WebDrive by sending an excessively long username during Secure WebDAV connection setup.
- 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-2018-25233?
CVE-2018-25233 is a medium-severity denial of service vulnerability in WebDrive, published on 30 Mar 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
WebDrive 18.00.5057 contains a denial of service vulnerability that allows local attackers to crash the application by supplying an excessively long string in the username field during Secure WebDAV connection setup. Attackers can input a buffer-overflow payload of 5000 bytes in the username parameter and trigger a connection test to cause the application to crash.
Weakness: CWE-233
Which versions are affected by CVE-2018-25233?
It affects 1 product.
Products include Southrivertech Webdrive.
How do I fix CVE-2018-25233?
No fix has been published for CVE-2018-25233 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2018-25233 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2018-25233 exists.
Other vulnerabilities in WebDrive
Sources
Also known as GHSA-v466-77r2-7589.