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Tenda CVE-2025-9091

LOW
Use of Hard-coded Password (CWE-259)
2025-08-17 cna@vuldb.com
Authentication Bypass Tenda
1.1
CVSS 4.0 · NVD

Severity by source

NVD PRIMARY
1.1 LOW
CVSS:4.0/AV:L/AC:H/AT:N/PR:L/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:L/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
Low
User Interaction
None
Scope
X

Lifecycle Timeline

4
CVSS changed
Apr 29, 2026 - 01:11 NVD
2.0 (LOW) 1.1 (LOW)
Analysis Generated
Mar 28, 2026 - 19:07 vuln.today
PoC Detected
Aug 21, 2025 - 16:10 vuln.today
Public exploit code
CVE Published
Aug 17, 2025 - 03:15 nvd
LOW 2.0

DescriptionCVE.org

A security flaw has been discovered in Tenda AC20 16.03.08.12. Affected by this vulnerability is an unknown functionality of the file /etc_ro/shadow. The manipulation leads to hard-coded credentials. It is possible to launch the attack on the local host. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used.

AnalysisAI

A security flaw has been discovered in Tenda AC20 16.03.08.12. Rated low severity (CVSS 2.0). Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-259. A security flaw has been discovered in Tenda AC20 16.03.08.12. Affected by this vulnerability is an unknown functionality of the file /etc_ro/shadow. The manipulation leads to hard-coded credentials. It is possible to launch the attack on the local host. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used. Affected products include: Tenda Ac20 Firmware.

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.

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CVE-2025-9091 vulnerability details – vuln.today
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