| tiêu đề | Tenda FH451 v1.0.0.9 Buffer Overflow |
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| Mô tả | The router FH451V1.0.0.9 from Shenzhen Tenda Technology Co., Ltd. contains a binary stack overflow vulnerability located within the fromWizardHandle function. This function receives a parameter a1 via a POST request and extracts variables WANT and WANS from it. When WANS equals 1 and WANT equals 2, the execution enters a conditional branch. Within this branch, the function sub_3C434 is called, which unsafely copies the PPW value from a1 into a 256-byte buffer without performing any bounds checking. An attacker can exploit this vulnerability to cause a denial of service (DoS). Furthermore, it can be leveraged to construct a ROP (Return-Oriented Programming) chain to overwrite the return address, enabling privilege escalation or remote code execution (RCE). |
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| Nguồn | ⚠️ https://github.com/zezhifu1/cve_report/blob/main/FH451/fromWizardHandle.md |
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| Người dùng | zezhifu (UID 87457) |
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| Đệ trình | 14/07/2025 04:31 (cách đây 1 Năm) |
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| Kiểm duyệt | 17/07/2025 12:26 (3 days later) |
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| Trạng thái | được chấp nhận |
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| Mục VulDB | 316737 [Tenda FH451 1.0.0.9 POST Request /goform/WizardHandle fromWizardHandle PPW tràn bộ đệm] |
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| điểm | 20 |
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