Password Change Vulnerability in Tenda W30E V2 Firmware
CVE-2026-24440

8.7HIGH

Key Information:

Vendor

Shenzhen Tenda Technology Co., Ltd.

Status
W30e V2
Vendor
CVE Published:
26 January 2026

What is CVE-2026-24440?

The Tenda W30E V2 firmware up to and including version V16.01.0.19(5037) has a vulnerability that allows attackers to change user account passwords via the maintenance interface without needing to verify the existing password. This flaw can lead to unauthorized changes if an attacker gains access to the endpoint, potentially compromising user accounts.

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Affected Version(s)

W30E V2 0 <= 16.01.0.19(5037)

References

https://www.tendacn.com/product/W30E
product
https://www.vulncheck.com/advisories/tenda-w30e-v2-allows...
third-party-advisory

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Kazuma Matsumoto, a security researcher at GMO Cybersecurity by IERAE, Inc.
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