CVE-2025-15542 — MEDIUM (5.3)

Q: How severe is CVE-2025-15542?

CVE-2025-15542 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2025-15542?

Check the references section above for vendor advisories and patch information. Affected products include: Tp-Link Vx800V Firmware, Tp-Link Vx800V.

Vulnerability 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.

CVSS Score

5.3

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

LOW

Affected Products

Vendor	Product	Versions
Tp-Link	Vx800V Firmware	< 800.0.12
Tp-Link	Vx800V	1.0

Related Weaknesses (CWE)

CWE-754

References

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

FAQ

What is CVE-2025-15542?

CVE-2025-15542 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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 servi...

How severe is CVE-2025-15542?

CVE-2025-15542 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-15542?

Check the references section above for vendor advisories and patch information. Affected products include: Tp-Link Vx800V Firmware, Tp-Link Vx800V.