Shenzhen Tenda W30E V2 firmware versions up to and including V16.01.0.19(5037) display stored user account passwords in plaintext within the administrative web interface. Any user with access to the affected management pages can directly view credentials.
Shenzhen Tenda W30E V2 firmware versions up to and including V16.01.0.19(5037) lack cross-site request forgery (CSRF) protections on administrative endpoints, including those used to change administrator account credentials. As a result, an attacker can craft malicious requests that, when triggered by an authenticated user’s browser, modify administrative passwords and other configuration settings.
Shenzhen Tenda W30E V2 firmware versions up to and including V16.01.0.19(5037) contain a stored cross-site scripting vulnerability in the user creation functionality. Insufficient input validation allows attacker-controlled script content to be stored and later executed when administrative users access the affected management pages.
Tenda W30E V16.01.0.19 (5037) was discovered to contain a stack overflow in the String parameter in the formDeleteMeshNode function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.
Tenda W30E V16.01.0.19 (5037) was discovered to contain a stack overflow in the v17 parameter in the UploadCfg function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.
Tenda W30E V16.01.0.19 (5037) was discovered to contain a stack overflow in the countryCode parameter in the werlessAdvancedSet function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.
A vulnerability classified as critical has been found in Tenda W30E 1.0/1.0.1.25. Affected is the function fromWizardHandle of the file /goform/WizardHandle. The manipulation of the argument PPW leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. VDB-261990 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.