CVE-2026-27514

Shenzhen Tenda F3 Wireless Router firmware V12.01.01.55_multi contains a sensitive information exposure vulnerability in the configuration download functionality. The configuration download response includes the router password and administrative password in plaintext. The endpoint also omits appropriate Cache-Control directives, which can allow the response to be stored in client-side caches and recovered by other local users or processes with access to cached browser data.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://www.tendacn.com/product/F3	Product
https://www.vulncheck.com/advisories/tenda-f3-plaintext-credential-exposure-in-configuration-download	Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:tenda:f3_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:tenda:f3:-:*:*:*:*:*:*:*

History

23 Feb 2026, 20:11

Type	Values Removed	Values Added
First Time		Tenda Tenda f3 Tenda f3 Firmware
CPE		cpe:2.3:h:tenda:f3:-:::::::* cpe:2.3:o:tenda:f3_firmware::::::::
References	~~() https://www.tendacn.com/product/F3 -~~	() https://www.tendacn.com/product/F3 - Product
References	~~() https://www.vulncheck.com/advisories/tenda-f3-plaintext-credential-exposure-in-configuration-download -~~	() https://www.vulncheck.com/advisories/tenda-f3-plaintext-credential-exposure-in-configuration-download - Third Party Advisory

23 Feb 2026, 17:23

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-02-23 17:23

Updated : 2026-02-23 20:11

NVD link : CVE-2026-27514

Mitre link : CVE-2026-27514

CVE.ORG link : CVE-2026-27514

JSON object : View

Products Affected

tenda

f3
f3_firmware

CWE

CWE-201

Insertion of Sensitive Information Into Sent Data

CWE-525

Use of Web Browser Cache Containing Sensitive Information

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