Which versions of Tenda are affected by CVE-2025-9778?

CVE-2025-9778 is a low-severity vulnerability in Tenda W12 (CVSS 1.8). The limited severity suggests constrained impact, typically requiring specific conditions or local access for exploitation.

How to fix or mitigate CVE-2025-9778?

During next maintenance window: Apply vendor patches when convenient. Monitor vendor channels for updates.

Tenda CVE-2025-9778

Q: What is the CVSS score of CVE-2025-9778?

CVE-2025-9778 has a CVSS 4.0 base score of 0.9 (Low). CVSS vector: CVSS:4.0/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. EPSS exploitation probability: 0.0%.

LOW

Use of Hard-coded Password (CWE-259)

2025-09-01 cna@vuldb.com

Authentication Bypass Tenda

0.9

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

0.9 LOW

CVSS:4.0/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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:4.0/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

Attack Vector

Local

Attack Complexity

High

Privileges Required

High

User Interaction

None

Scope

Lifecycle Timeline

CVSS changed

Apr 29, 2026 - 01:11 NVD

1.8 (LOW) 0.9 (LOW)

Analysis Generated

Mar 28, 2026 - 19:09 vuln.today

CVE Published

Sep 01, 2025 - 12:15 nvd

LOW 1.8

DescriptionCVE.org

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.

AnalysisAI

A security vulnerability has been detected in Tenda W12 up to 3.0.0.6(3948). Rated low severity (CVSS 1.8). No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-259. 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. Affected products include: Tenda W12 Firmware. Version information: up to 3.0.0.6.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.