CVE-2025-46171
5.4 · MEDIUMOverview
CVE-2025-46171 is a medium-severity vulnerability affecting vbulletin vbulletin. It was published on July 23, 2025 and has a CVSS 3.1 base score of 5.4 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 5.4, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
vBulletin 3.8.7 is vulnerable to a denial-of-service condition via the misc.php?do=buddylist endpoint. If an authenticated user has a sufficiently large buddy list, processing the list can consume excessive memory, exhausting system resources and crashing the forum.
Remediation
Check the references section for vendor advisories and patches from vbulletin. Update vbulletin to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
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References
Frequently Asked Questions
What is CVE-2025-46171?
CVE-2025-46171 is a medium-severity vulnerability affecting vbulletin vbulletin. It was published on July 23, 2025 and has a CVSS 3.1 base score of 5.4 (MEDIUM).
How severe is CVE-2025-46171?
This vulnerability has a CVSS 3.1 base score of 5.4, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2025-46171?
Check the references section for vendor advisories and patches from vbulletin. Update vbulletin to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2025-46171?
CyberStrike's AI-powered security agents can automatically detect CVE-2025-46171 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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