CVE-2025-15542
Denial of Service via SIP INVITE Flood in VX800v v
Publication date: 2026-01-29
Last updated on: 2026-03-09
Assigner: TPLink
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| tp-link | vx800v_firmware | to 800.0.12 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-754 | The product does not check or incorrectly checks for unusual or exceptional conditions that are not expected to occur frequently during day to day operation of the product. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is due to improper handling of exceptional conditions in the VX800v v1.0 device during SIP processing. An attacker can exploit this by sending a large number of specially crafted INVITE messages, which floods the device and blocks all voice lines, resulting in a denial of service for incoming calls.
How can this vulnerability impact me? :
The impact of this vulnerability is a denial of service on the VX800v v1.0 device's incoming calls. Attackers can flood the device with crafted INVITE messages, causing all voice lines to be blocked and preventing legitimate incoming calls from being received.