CVE-2025-13399

Insecure Encryption in Communication with the Web Interface on TP-Link VX800v

Published Jan 29, 2026 CVSS 4.0 · 7.7 High EPSS < 1% KEV · Not listed
Description
A weakness in the web interface’s application layer encryption in VX800v v1.0 allows an adjacent attacker to brute force the weak AES key and decrypt intercepted traffic. Successful exploitation requires network proximity but no authentication, and may result in high impact to confidentiality, integrity, and availability of transmitted data.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Tp-link vx800v Firmware
CPEs cpe:2.3:h:tp-link:vx800v:1.0:*:*:*:*:*:*:*
cpe:2.3:o:tp-link:vx800v_firmware:*:*:*:*:*:*:*:*
Vendors & Products Tp-link vx800v Firmware
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Type Values Removed Values Added
First Time appeared Tp-link
Tp-link vx800v
Vendors & Products Tp-link
Tp-link vx800v
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description A weakness in the web interface’s application layer encryption in VX800v v1.0 allows an adjacent attacker to brute force the weak AES key and decrypt intercepted traffic. Successful exploitation requires network proximity but no authentication, and may result in high impact to confidentiality, integrity, and availability of transmitted data.
Title Insecure Encryption in Communication with the Web Interface on TP-Link VX800v
Weaknesses CWE-331
References
Metrics cvssV4_0

{'score': 7.7, 'vector': 'CVSS:4.0/AV:A/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
TPLink
Published
Updated
Feb 26, 2026, 3:04 PM
Reserved
Nov 19, 2025, 9:39 AM
Status
Analyzed
Published
Jan 29, 2026, 7:16 PM
Modified
Jun 17, 2026, 8:34 AM