CVE-2025-15542

MEDIUM

5.3

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.

CVE Details

CVSS v3.1 Score5.3

SeverityMEDIUM

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published1/29/2026

Last Modified3/9/2026

Sourcenvd

Honeypot Sightings0

Affected Products

tp-link:vx800vtp-link:vx800v_firmware

Weaknesses (CWE)

CWE-754

References

https://www.tp-link.com/de/support/download/vx800v/#Firmware(f23511db-6c3e-4e32-a477-6aa17d310630)

https://www.tp-link.com/us/support/faq/4930/(f23511db-6c3e-4e32-a477-6aa17d310630)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.