CVE-2025-15542

MediumCVSS 5.3/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Weakness enumeration

CWE-754

Affected software

Vendor	Product	Versions
TP-Link Systems Inc.	VX800v v1.0	< 800.0.12 (0.12.0 3.0.0 v603c.0 Build 250912)

References

https://www.tp-link.com/de/support/download/vx800v/#FirmwareProduct
https://www.tp-link.com/us/support/faq/4930/Vendor Advisory

Timeline

Published: Jan 29, 2026
Last modified: Jun 17, 2026
NVD status: Analyzed

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