CVE-2025-15542
5.3 · MEDIUMOverview
CVE-2025-15542 is a medium-severity vulnerability affecting tp-link vx800v_firmware. It was published on January 29, 2026 and has a CVSS 3.1 base score of 5.3 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
Improper handling of exceptional conditions in VX800v v1.0 in SIP processing allows an attacker to flood the device with crafted INVITE messages, blocking all voice lines and causing a denial of service on incoming calls.
Remediation
Check the references section for vendor advisories and patches from tp-link. Update vx800v_firmware 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 |
|---|---|---|---|
| tp-link | vx800v_firmware | >= 0, < 800.0.12 | Affected |
Frequently Asked Questions
What is CVE-2025-15542?
CVE-2025-15542 is a medium-severity vulnerability affecting tp-link vx800v_firmware. It was published on January 29, 2026 and has a CVSS 3.1 base score of 5.3 (MEDIUM).
How severe is CVE-2025-15542?
This vulnerability has a CVSS 3.1 base score of 5.3, 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-2025-15542?
Check the references section for vendor advisories and patches from tp-link. Update vx800v_firmware 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-2025-15542?
CyberStrike's AI-powered security agents can automatically detect CVE-2025-15542 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.
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