7.0
HIGH CVSS 3.1
CVE-2025-9778
Tenda W12 Administrative shadow hard-coded credentials
Description

A security vulnerability has been detected in Tenda W12 up to 3.0.0.6(3948). Affected is an unknown function of the file /etc_ro/shadow of the component Administrative Interface. The manipulation leads to hard-coded credentials. An attack has to be approached locally. The complexity of an attack is rather high. The exploitability is told to be difficult. The exploit has been disclosed publicly and may be used.

INFO

Published Date :

Sept. 1, 2025, 12:15 p.m.

Last Modified :

Sept. 4, 2025, 4:19 p.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2025-9778 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Tenda w12_firmware
2 Tenda w12
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 LOW [email protected]
CVSS 3.1 LOW [email protected]
CVSS 3.1 HIGH [email protected]
CVSS 4.0 LOW [email protected]
Solution
Update the firmware to a version that addresses hard-coded credentials.
  • Update the device firmware to the latest available version.
  • Change all default credentials immediately.
  • Review access control configurations.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2025-9778.

URL Resource
https://github.com/August829/Yu/blob/main/58ead8e7e08bfb0e8.md Not Applicable
https://github.com/August829/Yu/blob/main/58ead8e7e08bfb0e8.md#steps-to-reproduce Not Applicable
https://vuldb.com/?ctiid.322080 Permissions Required VDB Entry
https://vuldb.com/?id.322080 Third Party Advisory VDB Entry
https://vuldb.com/?submit.640969 Third Party Advisory VDB Entry
https://www.tenda.com.cn/ Product
https://github.com/August829/Yu/blob/main/58ead8e7e08bfb0e8.md Not Applicable
https://github.com/August829/Yu/blob/main/58ead8e7e08bfb0e8.md#steps-to-reproduce Not Applicable
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-9778 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2025-9778 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-9778 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2025-9778 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Sep. 04, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-798
    Added CPE Configuration AND OR *cpe:2.3:o:tenda:w12_firmware:3.0.0.6(3948):*:*:*:*:*:*:* OR cpe:2.3:h:tenda:w12:-:*:*:*:*:*:*:*
    Added Reference Type VulDB: https://github.com/August829/Yu/blob/main/58ead8e7e08bfb0e8.md#steps-to-reproduce Types: Not Applicable
    Added Reference Type VulDB: https://vuldb.com/?ctiid.322080 Types: Permissions Required, VDB Entry
    Added Reference Type VulDB: https://vuldb.com/?id.322080 Types: Third Party Advisory, VDB Entry
    Added Reference Type VulDB: https://vuldb.com/?submit.640969 Types: Third Party Advisory, VDB Entry
    Added Reference Type VulDB: https://www.tenda.com.cn/ Types: Product
    Added Reference Type VulDB: https://github.com/August829/Yu/blob/main/58ead8e7e08bfb0e8.md Types: Not Applicable
    Added Reference Type CISA-ADP: https://github.com/August829/Yu/blob/main/58ead8e7e08bfb0e8.md#steps-to-reproduce Types: Not Applicable
    Added Reference Type CISA-ADP: https://github.com/August829/Yu/blob/main/58ead8e7e08bfb0e8.md Types: Not Applicable
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Sep. 02, 2025

    Action Type Old Value New Value
    Added Reference https://github.com/August829/Yu/blob/main/58ead8e7e08bfb0e8.md
    Added Reference https://github.com/August829/Yu/blob/main/58ead8e7e08bfb0e8.md#steps-to-reproduce
  • New CVE Received by [email protected]

    Sep. 01, 2025

    Action Type Old Value New Value
    Added Description A security vulnerability has been detected in Tenda W12 up to 3.0.0.6(3948). Affected is an unknown function of the file /etc_ro/shadow of the component Administrative Interface. The manipulation leads to hard-coded credentials. An attack has to be approached locally. The complexity of an attack is rather high. The exploitability is told to be difficult. The exploit has been disclosed publicly and may be used.
    Added CVSS V4.0 AV:L/AC:H/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N
    Added CVSS V2 (AV:L/AC:H/Au:M/C:P/I:N/A:N)
    Added CWE CWE-798
    Added CWE CWE-259
    Added Reference https://github.com/August829/Yu/blob/main/58ead8e7e08bfb0e8.md
    Added Reference https://github.com/August829/Yu/blob/main/58ead8e7e08bfb0e8.md#steps-to-reproduce
    Added Reference https://vuldb.com/?ctiid.322080
    Added Reference https://vuldb.com/?id.322080
    Added Reference https://vuldb.com/?submit.640969
    Added Reference https://www.tenda.com.cn/
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 1.8
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability
Base CVSS Score: 7.0
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 0.8
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact