| 标题 | Tenda RouterOS AC9V1.0BR_V15.03.2.13 Stack-based Buffer Overflow |
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| 描述 | A vulnerability was found in Tenda AC9 15.03.02.13. The affected element is the function form_fast_setting_internet_set of the file /goform/fast_setting_internet_set of the component POST Request Handler. Performing a manipulation of the argument netWanType results in stack-based buffer overflow. The attack can be initiated remotely.
In the form_fast_setting_internet_set function of /bin/httpd, the user-controlled netWanType parameter is not properly validated before being processed. The parameter is subsequently passed to the sub_690F0 function, where it is copied into the local stack buffer s through the SetValue function. Since s is defined as a fixed-size character array (char s[256]), supplying an excessively long netWanType value can cause a stack-based buffer overflow, potentially leading to memory corruption and arbitrary code execution. |
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| 来源 | ⚠️ https://github.com/ZaneBoden/CVEs/blob/main/Tenda-AC9-fast_setting_internet_set.md |
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| 用户 | hodor (UID 101043) |
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| 提交 | 2026-09-07 03時02分 (25 日前) |
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| 管理 | 2026-10-02 05時51分 (25 days later) |
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| 状态 | 已接受 |
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| VulDB条目 | 412918 [Tenda AC9 15.03.02.13 POST Request fast_setting_internet_set netWanType 内存损坏] |
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| 积分 | 20 |
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