| Título | Totolink C834FR-1C NR1800X 内存损坏 |
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| Descripción | Totolink 路由器中的堆栈溢出漏洞
1. The vulnerability entry point is the regular processing logic of HTTP request headers in `http_request_parse`.
2. The value of the `Host` field will be extracted and passed into `find_host_ip`.
3. The `find_host_ip` function lacks strict length constraints during the replication process.
4. The small stack buffer (`char v113[32]`) used by the caller can be overwritten by overly long data, posing a risk of stack corruption.
5. In this firmware and experimental configuration, when the length of 'Host' reaches 512+, it can reliably trigger a service exception or crash. |
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| Fuente | ⚠️ https://github.com/newym/cve/blob/main/totolinknr1800x.md |
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| Usuario | NEWYM (UID 85144) |
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| Sumisión | 2026-04-14 14:23 (hace 5 meses) |
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| Moderación | 2026-04-30 20:56 (16 days later) |
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| Estado | Aceptado |
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| Entrada de VulDB | 360357 [Totolink NR1800X 9.1.0u.6279_B20210910 lighttpd find_host_ip Host desbordamiento de búfer] |
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| Puntos | 20 |
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