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Vulnerability record · CVE-2025-15548 · published 29 January 2026

CVE-2025-15548: Tp-link vx800v firmware missing encryption vulnerability

Tp Link · Vx800v Firmware

Some VX800v v1.0 web interface endpoints transmit sensitive information over unencrypted HTTP due to missing application layer encryption, allowing a network adjacent attacker to intercept this traffic and compromise its confidentiality.

5.3 CVSS 4.0 Medium EPSS 0.08% · top 99.9% CWE-311 · Missing encryption
5.3CVSS 4.0 base score
0.08%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Some VX800v v1.0 web interface endpoints transmit sensitive information over unencrypted HTTP due to missing application layer encryption, allowing a network adjacent attacker to intercept this traffic and compromise its confidentiality.

CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.7CVE-2025-13399Tp-link vx800v firmware vulnerabilityA 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…EPSS 0.17%6.9CVE-2025-15541Tp-link vx800v firmware link following vulnerabilityImproper link resolution in the VX800v v1.0 SFTP service allows authenticated adjacent attackers to use crafted symbolic links to access system files…EPSS 0.27%6.3CVE-2025-15542Tp-link vx800v firmware vulnerabilityImproper handling of exceptional conditions in VX800v v1.0 in SIP processing allows an attacker to flood the device with crafted INVITE messages, blo…EPSS 0.29%5.1CVE-2025-15543Tp-link vx800v firmware link following vulnerabilityImproper link resolution in USB HTTP access path in VX800v v1.0 allows a crafted USB device to expose root filesystem contents, giving an attacker wi…EPSS 0.21%7.5CVE-2026-34486Apache Tomcat EncryptInterceptor bypass exposes sensitive dataApache Tomcat contains a missing encryption of sensitive data flaw: the fix for CVE-2026-29146 can be bypassed, allowing the EncryptInterceptor to be…KEVEPSS 6.6%analysed

Source: NIST National Vulnerability Database (record CVE-2025-15548), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.