| Title | TOTOLINK NR1800X NR1800X_Firmware V9.1.0u.6279_B20210910 Command Injection |
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| Description | In the NR1800X_Firmware V9.1.0u.6279_B20210910 has a command injection vulnerability in the setWanCfg function. The v48 variable receives the hostName parameter from a POST request. However, since the user can control the input of hostName, the statement doSystem can cause a buffer command injection vulnerability. |
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| Source | ⚠️ https://lavender-bicycle-a5a.notion.site/TOTOLINK-NR1800X-setWanCfg-2e453a41781f80b390f3e1ce0d9dd5b9?source=copy_link |
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| User | yhryhryhr_tu (UID 66750) |
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| Submission | 01/10/2026 05:29 (8 months ago) |
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| Moderation | 01/22/2026 08:43 (12 days later) |
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| Status | Accepted |
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| VulDB entry | 342302 [Totolink NR1800X 9.1.0u.6279_B20210910 POST Request /cgi-bin/cstecgi.cgi setWanCfg Hostname command injection] |
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| Points | 16 |
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