CVE-2025-15542CWE-754

Denial of Service (DoS) of VoIP Communication on TP-Link VX800v

Medium · published January 29, 2026

CVSS v4.0
6.3
EPSS
0%
Percentile
20.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
6.3 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
EPSS
0.00287 · 20.1th percentile
Weakness
CWE-754 · Improper Check for Unusual or Exceptional Conditions
Published
2026-01-29T18:06Z
EPSS history
Timeline
  • 29 JAN 18:06Z
    Denial of Service (DoS) of VoIP Communication on TP-Link VX800v
    cvelistv5