Multiple DrayTek VigorSwitch models contain a pre-authentication command injection vulnerability in the setget.cgi interface. The vulnerability is caused by insufficient filtering of the pass field before command execution. A remote attacker can trigger this vulnerability via crafted input to execute arbitrary commands with root privileges.
Metrics
Affected Vendors & Products
References
History
Mon, 24 Aug 2026 17:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Multiple DrayTek VigorSwitch models contain a pre-authentication command injection vulnerability in the setget.cgi interface. The vulnerability is caused by insufficient filtering of the pass field before command execution. A remote attacker can trigger this vulnerability via crafted input to execute arbitrary commands with root privileges. | |
| Title | DrayTek VigorSwitch Multiple Models Pre-Authentication OS Command Injection via setget.cgi | |
| First Time appeared |
Draytek
Draytek vigorswitch Fx2120 Firmware Draytek vigorswitch G1282 Firmware Draytek vigorswitch G2100 Firmware Draytek vigorswitch G2121 Firmware Draytek vigorswitch G2280x Firmware Draytek vigorswitch G2540xs Firmware Draytek vigorswitch P1282 Firmware Draytek vigorswitch P2100 Firmware Draytek vigorswitch P2280x Firmware Draytek vigorswitch P2540xs Firmware Draytek vigorswitch Pq2121x Firmware Draytek vigorswitch Pq2200xb Firmware Draytek vigorswitch Q2121x Firmware Draytek vigorswitch Q2200x Firmware |
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| Weaknesses | CWE-78 | |
| CPEs | cpe:2.3:o:draytek:vigorswitch_fx2120_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:draytek:vigorswitch_g1282_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:draytek:vigorswitch_g2100_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:draytek:vigorswitch_g2121_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:draytek:vigorswitch_g2280x_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:draytek:vigorswitch_g2540xs_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:draytek:vigorswitch_p1282_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:draytek:vigorswitch_p2100_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:draytek:vigorswitch_p2280x_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:draytek:vigorswitch_p2540xs_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:draytek:vigorswitch_pq2121x_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:draytek:vigorswitch_pq2200xb_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:draytek:vigorswitch_q2121x_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:draytek:vigorswitch_q2200x_firmware:*:*:*:*:*:*:*:* |
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| Vendors & Products |
Draytek
Draytek vigorswitch Fx2120 Firmware Draytek vigorswitch G1282 Firmware Draytek vigorswitch G2100 Firmware Draytek vigorswitch G2121 Firmware Draytek vigorswitch G2280x Firmware Draytek vigorswitch G2540xs Firmware Draytek vigorswitch P1282 Firmware Draytek vigorswitch P2100 Firmware Draytek vigorswitch P2280x Firmware Draytek vigorswitch P2540xs Firmware Draytek vigorswitch Pq2121x Firmware Draytek vigorswitch Pq2200xb Firmware Draytek vigorswitch Q2121x Firmware Draytek vigorswitch Q2200x Firmware |
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| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2026-08-24T17:07:50.939Z
Reserved: 2026-08-08T16:37:44.518Z
Link: CVE-2026-71921
No data.
Status : Received
Published: 2026-08-24T18:17:07.060
Modified: 2026-08-24T18:17:07.060
Link: CVE-2026-71921
No data.
OpenCVE Enrichment
Updated: 2026-08-24T19:30:17Z