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CVE-2025-9731— Tenda AC9 Administrative shadow hard-coded credentials

Quick assessment

Affected
Tenda AC9
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 AC9是中国腾达（Tenda）公司的一款无线路由器。 Tenda AC9 15.03.05.19版本存在安全漏洞，该漏洞源于使用硬编码凭证。

CVSS 2.5 · Low EPSS 0.14% · P4

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts
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I. Basic Information for CVE-2025-9731

Vulnerability Information
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Vulnerability Title
Tenda AC9 Administrative shadow hard-coded credentials
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was determined in Tenda AC9 15.03.05.19. The impacted element is an unknown function of the file /etc_ro/shadow of the component Administrative Interface. This manipulation causes hard-coded credentials. It is possible to launch the attack on the local host. The attack's complexity is rated as high. The exploitability is regarded as difficult. The exploit has been publicly disclosed and may be utilized.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
使用硬编码的凭证
Source: CVE Program / CVE List V5
Vulnerability Title
Tenda AC9 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tenda AC9是中国腾达（Tenda）公司的一款无线路由器。 Tenda AC9 15.03.05.19版本存在安全漏洞，该漏洞源于使用硬编码凭证。
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
Tenda AC9 15.03.05.19 -

II. Public POCs for CVE-2025-9731

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III. Intelligence Information for CVE-2025-9731

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IV. Related Vulnerabilities

Same product: AC9
Same vendor: Tenda
Same weakness: CWE-798

V. Comments for CVE-2025-9731

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