Tenda W30E V2 Hardcoded Default Password for Built-in Account

Advisories

severity: critical
date: January 26, 2026
Affecting: W30E V2 firmware <= v16.01.0.19(5037)
CVE: CVE-2026-24429
CWE: CWE-1393 Use of Default Password
CVSS: 9.3
CVSS V4 Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
References: Tenda Product Webpage
Credit: Kazuma Matsumoto, a security researcher at GMO Cybersecurity by IERAE, Inc.
Description: Shenzhen Tenda W30E V2 firmware versions up to and including V16.01.0.19(5037) ship with a predefined default password for a built-in authentication account that is not required to be changed during initial configuration. An attacker can leverage these default credentials to gain authenticated access to the management interface.