| Título | Tenda AC9 v1.0/V3.0 V15.03.06.42_multi Stack-based Buffer Overflow |
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| Descrição | A stack-based buffer overflow vulnerability exists in the Tenda AC9 router. The vulnerability is located in the `formGetRebootTimer` function of the web service component. When processing the configuration items `sys.schedulereboot.start_time` and `sys.schedulereboot.end_time`, the program fails to perform proper bounds checking and directly copies the configuration values into stack buffers via the `GetValue` function. An attacker can tamper with these configuration fields and set them to excessively long strings to trigger a stack overflow, which may cause the web service to crash or continuously restart. In severe cases, this vulnerability could potentially lead to remote code execution.
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| Fonte | ⚠️ https://github.com/glkfc/IoT-Vulnerability/blob/main/Tenda/tenda4.md |
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| Utilizador | jfkk (UID 79868) |
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| Submissão | 31/01/2026 15h34 (há 8 meses) |
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| Moderação | 07/02/2026 18h28 (7 days later) |
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| Estado | Aceite |
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| Entrada VulDB | 344895 [Tenda AC9 15.03.06.42_multi formGetRebootTimer Excesso de tampão] |
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| Pontos | 20 |
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