Sensitive Information Exposure in Shenzhen Tenda AC7 Router Firmware
CVE-2026-24427

6.8MEDIUM

Key Information:

Vendor

Shenzhen Tenda Technology Co., Ltd.

Status
Tenda Ac7
Vendor
CVE Published:
3 February 2026

What is CVE-2026-24427?

The Shenzhen Tenda AC7 router firmware has a significant vulnerability that allows for the exposure of sensitive information through unprotected web management responses. Specifically, administrative credentials, including the router and admin panel passwords, are transmitted in plaintext within the configuration response bodies. This significant oversight compromises the confidentiality of sensitive data. Additionally, the lack of proper Cache-Control directives in these responses enables web browsers to cache pages containing this sensitive information, putting users at risk of subsequent disclosures. Attackers with access to a victim's system or browser profile may exploit this vulnerability to gain unauthorized access to the router and potentially compromise network security.

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Affected Version(s)

Tenda AC7 0 <= 03.03.03.01_cn

References

https://www.tendacn.com/product/AC7
product
https://www.vulncheck.com/advisories/tenda-ac7-exposes-ad...
third-party-advisory

CVSS V4

Score:
6.8
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
None
Attack Vector:
Local
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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