| Título | DrayTek Vigor2960 Vigor2960 1.5.1.6 (revision 8218) Authenticated doWebBackup Path Traversal and Archive Command Inj |
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| Descrição | Two impacts are confirmed in doWebBackup: option can traverse out of /tmp to select the archive write/read/delete path, and unquoted pathN entries enter the tar command and permit arbitrary root command execution at sink 14987.
Affected interface: POST /cgi-bin/mainfunction.cgi with action=doWebBackup
Attacker-controlled parameter: option
Confirmed impact: an authenticated attacker can select an archive output path outside the intended /tmp directory and trigger write, read-back, and deletion of that path.
## Vendor Confirmation
The vulnerability has been officially confirmed. The email is available at: https://github.com/yikesoftware/DrayTek_Vigor2960_Security_Analysis/tree/main/vendor_confirm
The official fix for this vulnerability has been released: https://fw.draytek.com.tw/Vigor2960/Firmware/v1.5.1.7/Vigor2960_v1.5.1.7.zip |
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| Fonte | ⚠️ https://github.com/yikesoftware/DrayTek_Vigor2960_Security_Analysis/tree/main/cases/DRV2960-0016-authenticated-dowebbackup-path-traversal-clobber |
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| Utilizador | eqqie (UID 101441) |
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| Submissão | 20/10/2026 08h11 (há 26 dias) |
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| Moderação | 14/11/2026 19h11 (25 days later) |
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| Estado | Aceite |
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| Entrada VulDB | 437461 [DrayTek Vigor2960 1.5.1.6 mainfunction.cgi?action=doWebBackup sub_1E084 option Travessia de Diretório] |
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| Pontos | 20 |
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