| 标题 | IP-COM W30APv4.0 <= v1.0.0.11(1340) Stack-based Buffer Overflow |
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| 描述 | An unauthenticated buffer overflow vulnerability exists in the `formWx3AuthorizeSet` function in any firmware of IP-COM W30APv4.0 <= v1.0.0.11(1340). In the handler function corresponding to `/goform/wx3auth`, the function accepts the `data` and `extend` parameters from a POST request via `websGetVar`. Subsequently, when the `extend` parameter is “pc”, and the `data` parameter (which is user-controllable) contains “data=” followed by non-empty content, the program directly uses `sprintf` to concatenate the unsanitized, unlength-checked external input into a fixed-size stack buffer, resulting in a stack-based buffer overflow vulnerability. |
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| 来源 | ⚠️ https://gitee.com/GXB0_0/iot-vul/blob/master/IP-COM/W30AP/wx3auth-sprintf.md |
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| 用户 | GuoXB (UID 76104) |
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| 提交 | 2026-01-22 08時53分 (9 月前) |
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| 管理 | 2026-02-05 20時38分 (14 days later) |
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| 状态 | 已接受 |
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| VulDB条目 | 344599 [IP-COM W30AP 直到 1.0.0.11(1340) POST Request /goform/wx3auth R7WebsSecurityHandler data 内存损坏] |
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| 积分 | 20 |
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