CVE-2026-27514 HIGH

CVE-2026-27514: Tenda F3 Plaintext Credential Exposure in Configuration Download

Vendor Shenzhen Tenda Technology Co., Ltd.
Product Tenda F3
Weakness CWE-201
Published February 23, 2026
Last update May 11, 2026

CVSS base score

7.1/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

February 23, 2026 CVE published
May 11, 2026 Record updated