Main Vulnerability Database Vulnerabilities #VU133487

Cleartext transmission of sensitive information in TP-Link products - CVE-2026-34126

Published: June 8, 2026

Vulnerability identifier: #VU133487

CSH Severity: Medium

CVSS v4: 7.3 [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]

CVE-ID: CVE-2026-34126

CWE-ID: CWE-319

Exploitation vector: Adjecent network

Exploit availability: No public exploit available

Vulnerability details

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.

Affected software

Tapo D100C
Tapo P300
Tapo L535E

How to mitigate CVE-2026-34126

Install updates from vendor's website.

Tapo D100C - update to 1.3.1 260421 Rel.031658
Tapo P300 - addressed in versions 1.4.0 260416 Rel.014037, 1.4.2 251219 Rel.142654
Tapo L535E - update to 1.4.1 251016 Rel.204554

External References

Related Security Bulletins