| 标题 | Trendnet TEW-821DAP v1.11B03 CWE-78 Improper Neutralization of Special Elements used in an O |
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| 描述 | During the firmware update process, there is command injection vulnerability in function sub_43F2C4 of program ssi. During the construction of DNS lookup command, variables nslookup_target and dns_server are concatenated directly to the DNS lookup command. However, these two variables are propagated from user input without any verification. Once the hackers control the user input, malicious command could be injected to the DNS lookup command. |
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| 来源 | ⚠️ https://github.com/IOTRes/IOT_Firmware_Update/blob/main/Trendnet/TEW-821DAP_CI3.md |
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| 用户 | IOT_Res (UID 81722) |
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| 提交 | 2026-05-29 08時55分 (1 月前) |
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| 管理 | 2026-07-11 12時12分 (1 month later) |
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| 状态 | 已接受 |
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| VulDB条目 | 377792 [TRENDnet TEW-821DAP 1.11B03 DNS Lookup /goform/tools_nslookup sub_43F2C4 nslookup_target/dns_server 权限提升] |
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| 积分 | 20 |
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