| Title | Tenda 4G06 V04.06.01.29 Stack-based Buffer Overflow |
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| Description | During the security assessment of the application, a critical buffer overflow vulnerability was identified in the /goform/DhcpListClient endpoint. The vulnerability stems from the fromDhcpListClient() function, where the user-controlled page parameter is processed using sprintf and stored in the fixed-size buffer s without enforcing proper length checks. Since s__1 is limited to 256 bytes, providing input larger than this size can overwrite adjacent memory. This flaw can lead to application crashes, memory corruption, or arbitrary code execution. The vulnerability introduces serious risks to device stability, data confidentiality, and overall system security, and requires immediate remediation to prevent potential exploitation. |
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| Source | ⚠️ https://github.com/Kiciot/cve/issues/1 |
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| User | kiciot (UID 96379) |
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| Submission | 03/12/2026 13:09 (17 days ago) |
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| Moderation | 03/27/2026 17:16 (15 days later) |
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| Status | Accepted |
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| VulDB entry | 353962 [Tenda 4G06 04.06.01.29 Endpoint /goform/DhcpListClient fromDhcpListClient page stack-based overflow] |
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| Points | 20 |
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