SB2026060829 - Cleartext transmission of sensitive information in TP-Link products



SB2026060829 - Cleartext transmission of sensitive information in TP-Link products

Published: June 8, 2026

Security Bulletin ID SB2026060829
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Adjecent network
Highest impact Code execution

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Cleartext transmission of sensitive information (CVE-ID: CVE-2026-34126)

CWE-ID: CWE-319 - Cleartext Transmission of Sensitive Information

CVSSv4: CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to software uses insecure communication channel to transmit sensitive information. A remote attacker on the local network can perform a man-in-the-middle (MitM) attack to intercept or modify communications, or to gain unauthorized control of the device during initialization.


Remediation

Install update from vendor's website.