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TI-2025-14181 Aliases CVE-2025-15542GHSA-mcfx-6pwv-q5v8

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

Priority LOW 28CWE-754Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
Present
Impact type
—
Confidentiality · integrity · availability
None · None · Low
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00293 22nd percentileScored 2026-11-07
Fix Fixed VX800v v1.0 (TP-Link Systems Inc.): 800.0.12 (0.12.0 3.0.0 v603c.0 Build 250912)

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
TP-LinkVX800v v1.0before 800.0.12 (0.12.0 3.0.0 v603c.0 Build 250912)800.0.12 (0.12.0 3.0.0 v603c.0 Build 250912)Patch availableCNA
  • VX800v v1.0 VendorTP-Link Affected before 800.0.12 (0.12.0 3.0.0 v603c.0 Build 250912) Fixed in 800.0.12 (0.12.0 3.0.0 v603c.0 Build 250912) Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:tp-link:vx800v_firmware:*:*:*:*:*:*:*:*before 800.0.12VulnerableTP-Link
cpe:2.3:h:tp-link:vx800v:1.0:*:*:*:*:*:*:*1.0Running onTP-Link
  • cpe:2.3:o:tp-link:vx800v_firmware:*:*:*:*:*:*:*:* Versions before 800.0.12 Vulnerable ·TP-Link
  • cpe:2.3:h:tp-link:vx800v:1.0:*:*:*:*:*:*:* Versions 1.0 Running on ·TP-Link

Remediation

  • Fix · CNA VX800v v1.0 (TP-Link Systems Inc.) Fixed in 800.0.12 (0.12.0 3.0.0 v603c.0 Build 250912)

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    TP-Link Systems VX800v v1.0 — tp-link.com/us/support/faq/4930

    5 records Highest priority Priority LOW 5 LOW

    Other records, highest priority first

    • TI-2025-12249 Insecure Encryption in Communication with the Web Interface on TP-Link VX800vPriority LOW 35
    • TI-2025-14180 Access to System Files via SFTP on TP-Link VX800vPriority LOW 30
    • TI-2025-14187 Missing Application-Layer Encryption in Web Interface Endpoints on TP-Link VX800vPriority LOW 23
    Show all 5 records → Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-15542
  2. 2026-10-03 Alias added: GHSA-mcfx-6pwv-q5v8

References

Patch 1

Advisory 1

  • TI-2025-12249 Insecure Encryption in Communication with the Web Interface on TP-Link VX800v CVSS 4.0HIGH 7.7
  • TI-2025-14180 Access to System Files via SFTP on TP-Link VX800v CVSS 4.0MEDIUM 6.9
  • TI-2025-14187 Missing Application-Layer Encryption in Web Interface Endpoints on TP-Link VX800v CVSS 4.0MEDIUM 5.3
  • TI-2025-14182 Read-Only Root Access via USB Storage Device in TP-Link VX800v CVSS 4.0MEDIUM 5.1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences