| Title | TOTOLINK A3300R V17.0.0cu.557_B20221024 Buffer Overflow |
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| Description | The setDdnsCfg endpoint accepts a POST parameter provider and calls Uci_Set_Str(19, "wan", "provider", v4) without enforcing a maximum length. |
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| Source | ⚠️ https://github.com/noahze01/IoT-vulnerable/blob/main/TOTOLink/A3300R/setDdnsCfg.md |
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| User | yhryhryhr_miemie (UID 65492) |
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| Submission | 10/12/2025 09:13 (6 months ago) |
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| Moderation | 10/25/2025 19:12 (13 days later) |
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| Status | Accepted |
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| VulDB entry | 329909 [TOTOLINK A3300R 17.0.0cu.557_B20221024 /cgi-bin/cstecgi.cgi setDdnsCfg buffer overflow] |
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| Points | 16 |
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