| Title | Totolink N300RH N300RH V3_Firmware V3.2.4-B20220812 Buffer Overflow |
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| Description | In the N300RH V3_Firmware V3.2.4-B20220812 firmware has a buffer overflow vulnerability in the setWanConfig function. The v46 variable receives the priDns parameter from a POST request. However, since the user can control the input of priDns, the statement sprintf can cause a buffer overflow vulnerability. |
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| Source | ⚠️ https://lavender-bicycle-a5a.notion.site/TOTOLINK-N300RH-setWanConfig-34553a41781f80ed8500d9b8d54074f2 |
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| User | wxhwxhwxh_mie (UID 66748) |
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| Submission | 04/17/2026 19:29 (4 months ago) |
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| Moderation | 05/03/2026 19:21 (16 days later) |
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| Status | Accepted |
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| VulDB entry | 360924 [Totolink N300RH 3.2.4-B20220812 POST Request /cgi-bin/cstecgi.cgi setWanConfig priDns buffer overflow] |
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| Points | 15 |
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