| Título | D-Link DSL6641K version N8.TR069.20131126 Cross Site Scripting |
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| Descrição | The vulnerability exists in the `sp_pppoe_user.js` script, where user input from the `Username` field in the PPPoE configuration form is directly passed to the configuration without proper sanitization or encoding. The function `doSubmitPPP` builds a configuration string with the `Username` value directly included, potentially allowing the injection of malicious JavaScript.
The lack of sanitization means that an attacker can inject a malicious payload into the `Username` field, and once submitted, the payload is stored in the router's configuration. When the configuration is accessed again, the injected JavaScript is executed, leading to **Stored Cross-Site Scripting (XSS)**. |
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| Fonte | ⚠️ https://tzh00203.notion.site/D-Link-DSL6641K-version-N8-TR069-20131126-XSS-via-sp_pppoe_user-js-Configuration-2eeb5c52018a80d083aaf19efbaa9130?source=copy_link |
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| Utilizador | tian (UID 93438) |
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| Submissão | 20/01/2026 04h21 (há 9 meses) |
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| Moderação | 01/02/2026 17h38 (13 days later) |
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| Estado | Aceite |
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| Entrada VulDB | 343675 [D-Link DSL-6641K N8.TR069.20131126 sp_pppoe_user.js doSubmitPPP Username Script de Site Cruzado] |
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| Pontos | 17 |
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