CVE-2025-15542

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.

CVSS v3 5.3 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://www.tp-link.com/de/support/download/vx800v/#Firmware	Product
https://www.tp-link.com/us/support/faq/4930/	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:tp-link:vx800v_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:tp-link:vx800v:1.0:*:*:*:*:*:*:*

History

09 Mar 2026, 17:52

Type	Values Removed	Values Added
CPE		cpe:2.3:o:tp-link:vx800v_firmware:::::::: cpe:2.3:h:tp-link:vx800v:1.0:::::::*
Summary		(es) Manejo inadecuado de condiciones excepcionales en VX800v v1.0 en el procesamiento SIP permite a un atacante inundar el dispositivo con mensajes INVITE manipulados, bloqueando todas las líneas de voz y causando una denegación de servicio en las llamadas entrantes.
References	~~() https://www.tp-link.com/de/support/download/vx800v/#Firmware -~~	() https://www.tp-link.com/de/support/download/vx800v/#Firmware - Product
References	~~() https://www.tp-link.com/us/support/faq/4930/ -~~	() https://www.tp-link.com/us/support/faq/4930/ - Vendor Advisory
First Time		Tp-link Tp-link vx800v Firmware Tp-link vx800v
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 5.3

29 Jan 2026, 19:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-01-29 19:16

Updated : 2026-03-09 17:52

NVD link : CVE-2025-15542

Mitre link : CVE-2025-15542

CVE.ORG link : CVE-2025-15542

JSON object : View

Products Affected

tp-link

vx800v
vx800v_firmware

CWE

CWE-754

Improper Check for Unusual or Exceptional Conditions

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