CVE-2018-25233
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 user…
Published Mar 30, 2026 · corrected/updated Oct 7, 2026 · southrivertech webdrive · evidence confidence high
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.
Grounded briefings
Catalog interpretations for three audiences. Each brief cites ingested metadata and the original advisories below. They are not independent research and they do not invent exploit steps.
Executive
CVE-2018-25233 is a medium public vulnerability record for southrivertech webdrive. It is not currently listed in the CISA Known Exploited catalog. Check the linked vendor or CERT advisories for patch status. This summary is a catalog interpretation of the ingested metadata and cites the original advisories below.
System administrator
Identify whether southrivertech webdrive is in your estate, then compare installed versions with the affected ranges. Affected packages or ranges on record: southrivertech/webdrive (18.00.5057). Check the linked vendor or CERT advisories for patch status. Prefer the vendor or distribution advisory linked in Sources before changing production systems. This is a catalog interpretation, not a runbook.
Security analyst
Signals on file: CVSS 6.9, EPSS 0.2%. It is not currently listed in the CISA Known Exploited catalog. Weakness classes: CWE-233. Sources contributing to this record: cve_org, epss, nvd. Public exploit references, when present, are outbound links only and are not proof of active exploitation. This is a catalog interpretation of stored metadata.
Exploitation and remediation
Exploitation evidence
Not listed as known exploited in CISA KEV. Not in the CISA KEV catalog.
Patch and remediation
No required-action text is stored yet. Use the vendor or CERT links in Sources for patch availability.
Safe detection guidance
Compare installed versions with the affected ranges below and verify the advisory from the original publisher. This site stores metadata and outbound links only; it does not ship exploit code or proof-of-concept payloads.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Mar 30, 2026 · NIST NVD
Detected
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.
Oct 7, 2026 · NIST NVD
Updated
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.
Affected
- cpe southrivertech/webdrive18.00.5057
Sources
- CVE.orgVulnerability recordCVE-2018-25233
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2018-25233
30-day exploitation probability 0.2%
first.org - NIST NVDVulnerability recordCVE-2018-25233
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
nvd.nist.gov