| Titre | Totolink A8000RU 7.1cu.643_b20200521 Command Injection |
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| Description | A pre‑authentication OS command injection vulnerability exists in the `setOpenVpnClientCfg` functionality exposed via the web management interface (`/cgi-bin/cstecgi.cgi`) of the TOTOLINK A8000RU 7.1cu.643_b20200521 router.
The CGI handler retrieves user‑controlled input from the HTTP parameter `Enabled`, embeds it directly into a shell command string using `sprintf`, and executes it via `CsteSystem()` without any sanitization or escaping. As a result, a remote attacker with network access to the web interface can inject arbitrary shell commands and execute them with root privileges on the device, without authentication.
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| La source | ⚠️ https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_351/README.md |
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| Utilisateur | LtzHust2 (UID 95662) |
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| Soumission | 26/04/2026 12:49 (il y a 1 mois) |
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| Modérer | 24/05/2026 11:15 (28 days later) |
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| Statut | Dupliqué |
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| Entrée VulDB | 359849 [Totolink A8000RU 7.1cu.643_b20200521 CGI /cgi-bin/cstecgi.cgi setOpenVpnClientCfg activé élévation de privilèges] |
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| Points | 0 |
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