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

Quick assessment

Affected
Shenzhen Tenda Technology Co., Ltd. Tenda F3
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Tenda F3是中国腾达（Tenda）公司的一款无线路由器。 Tenda F3 V12.01.01.55_multi版本存在安全漏洞，该漏洞源于配置下载功能以明文暴露敏感信息且缺少缓存控制指令，可能导致信息泄露。

CVSS 6.5 · Medium EPSS 0.39% · P30

Affected Version Matrix 1

VendorProduct Version RangeStatus
Shenzhen Tenda Technology Co., Ltd. Tenda F3 ≤ 12.01.01.55_multi affected
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I. Basic Information for CVE-2026-27514

Vulnerability Information
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Vulnerability Title
Tenda F3 Plaintext Credential Exposure in Configuration Download
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过发送数据的信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Tenda F3 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tenda F3是中国腾达（Tenda）公司的一款无线路由器。 Tenda F3 V12.01.01.55_multi版本存在安全漏洞，该漏洞源于配置下载功能以明文暴露敏感信息且缺少缓存控制指令，可能导致信息泄露。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Shenzhen Tenda Technology Co., Ltd. Tenda F3 0 ~ 12.01.01.55_multi -

II. Public POCs for CVE-2026-27514

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III. Intelligence Information for CVE-2026-27514

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Vendor Advisories for CVE-2026-27514 (1)

Same Patch Batch · Shenzhen Tenda Technology Co., Ltd. · 2026-02-23 · 4 CVEs total

CVE-2026-27512 6.1 MEDIUM Tenda F3 Reflected Script Execution via Missing nosniff Header
CVE-2026-27513 4.3 MEDIUM Tenda F3 CSRF in Web Management Interface
CVE-2026-27511 4.3 MEDIUM Tenda F3 Clickjacking in Web Management Interface

IV. Related Vulnerabilities

Same product: Tenda F3
Same vendor: Shenzhen Tenda Technology Co., Ltd.
Same weakness: CWE-201

V. Comments for CVE-2026-27514

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