| Title | Edimax BR6478ACV2 BR6478ACV2_v1.23 Buffer Overflow |
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| Description | The EDIMAX BR6478ACV2_v1.23 firmware has a stack overflow vulnerability in the formPPPoESetup function. The v164 variable receives the pppUserName parameter from a POST request. However, since the user can control the input of pppUserName, the statement strcat() can cause a buffer overflow. |
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| Source | ⚠️ https://lavender-bicycle-a5a.notion.site/EDIMAX-BR6478ACV2-formPPPoESetup-34b53a41781f80a1b029cb5ca5570afa?source=copy_link |
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| User | wxhwxhwxh_mie (UID 66748) |
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| Submission | 05/03/2026 15:31 (2 months ago) |
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| Moderation | 05/29/2026 19:24 (26 days later) |
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| Status | Accepted |
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| VulDB entry | 367302 [Edimax BR-6478AC 1.23 POST Request /goform/formPPPoESetup pppUserName stack-based overflow] |
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| Points | 15 |
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