Is there a public PoC exploit available for CVE-2018-25233?

Yes, a public proof-of-concept exploit is available for CVE-2018-25233. Prioritise patching immediately. EPSS: 0.0%.

Webdrive CVE-2018-25233

Q: What is the CVSS score of CVE-2018-25233?

CVE-2018-25233 has a CVSS 4.0 base score of 6.9 (Medium). CVSS vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X. EPSS exploitation probability: 0.0%.

EUVD-2018-21724 MEDIUM

Improper Handling of Parameters (CWE-233)

2026-03-30 VulnCheck

GHSA-v466-77r2-7589

Denial Of Service Webdrive

6.9

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

6.9 MEDIUM

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Lifecycle Timeline

PoC Detected

Apr 08, 2026 - 16:43 vuln.today

Public exploit code

EUVD ID Assigned

Mar 30, 2026 - 11:30 euvd

EUVD-2018-21724

CVE Published

Mar 30, 2026 - 11:02 nvd

MEDIUM 6.9

DescriptionCVE.org

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.

AnalysisAI

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. Rated medium severity (CVSS 6.9), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-233. 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 products include: Webdrive.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.