| 标题 | Totolink A8000RU 7.1cu.643_b20200521 Command Injection |
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| 描述 | A pre‑authentication OS command injection vulnerability exists in the `setOpenVpnCfg` 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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| 来源 | ⚠️ https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_344/README.md |
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| 用户 | LtzHust (UID 95660) |
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| 提交 | 2026-04-26 12時39分 (1 月前) |
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| 管理 | 2026-05-24 09時57分 (28 days later) |
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| 状态 | 已接受 |
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| VulDB条目 | 365437 [Totolink A8000RU 7.1cu.643_b20200521 Web Management Interface /cgi-bin/cstecgi.cgi setOpenVpnCfg 已启用 权限提升] |
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| 积分 | 20 |
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