Tenda W20E 15.11.0.6 formSetDebugCfg level command injection

Summaryinfo

A vulnerability marked as critical has been reported in Tenda W20E 15.11.0.6. The affected element is the function formSetDebugCfg. The manipulation of the argument level leads to command injection. This vulnerability is referenced as CVE-2025-44866. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in Tenda W20E 15.11.0.6. It has been rated as critical. This issue affects the function formSetDebugCfg. The manipulation of the argument level with an unknown input leads to a command injection vulnerability. Using CWE to declare the problem leads to CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Tenda W20E V15.11.0.6 was found to contain a command injection vulnerability in the formSetDebugCfg function via the level parameter. This vulnerability allows attackers to execute arbitrary commands via a crafted request.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2025-44866 since 04/22/2025. The exploitation is known to be easy. The attack may be initiated remotely. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/28/2025). The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-13272). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Router Operating System

Vendor

• Tenda

Name

• W20E

Version

• 15.11.0.6

License

• commercial

Website

• Vendor: https://www.tenda.com.cn/

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Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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