CVE-2025-15542

MEDIUM
2026-01-29 f23511db-6c3e-4e32-a477-6aa17d310630
5.3
CVSS 3.1
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CVSS Vector

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

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 22:00 vuln.today
CVE Published
Jan 29, 2026 - 19:16 nvd
MEDIUM 5.3

Tags

Denial Of Service Vx800v Firmware

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.

Analysis

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 5.3 MEDIUM]

Technical Context

Classified as CWE-754 (Improper Check for Unusual or Exceptional Conditions). Affects Vx800V Firmware. 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.

Affected Products

Vendor: Tp-Link. Product: Vx800V Firmware.

Remediation

Monitor vendor advisories for a patch. Restrict network access to the affected service where possible.

Priority Score

27
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +26
POC: 0

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CVE-2025-15542 vulnerability details – vuln.today
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