CVE-2026-71924
DrayTek · published 2026-08-24
Source record Collected from the National Vulnerability Database (NVD)
Description
Description by VulnCheck via the CVE Program.
Multiple DrayTek VigorSwitch models contain a command injection vulnerability in the getVid function. The vulnerability is caused by insufficient filtering of the username and password fields before command execution. A remote attacker can trigger this vulnerability via crafted input to execute arbitrary commands with root privileges. Exploitation requires valid administrative credentials for the device's web management interface.
Filed by VulnCheck; not a statement by DrayTek.
Status at the source
- NVD status: Deferred — NVD has not analysed this CVE.
Affected products, as the source lists them
| Vendor | Product | Versions |
|---|---|---|
| DrayTek Corporation | VigorSwitch G2540xs | 0 – before 3.9.10: affected |
| DrayTek Corporation | VigorSwitch P2540xs | 0 – before 3.9.10: affected |
| DrayTek Corporation | VigorSwitch FX2120 | 0 – before 3.9.10: affected |
| DrayTek Corporation | VigorSwitch G2282x | 0 – before 2.10.6: affected |
| DrayTek Corporation | VigorSwitch P2282x | 0 – before 2.10.6: affected |
| DrayTek Corporation | VigorSwitch Q2300x | 0 – before 2.10.7: affected |
| DrayTek Corporation | VigorSwitch PQ2300xb | 0 – before 2.10.7: affected |
| DrayTek Corporation | VigorSwitch G2542x | 0 – before 3.10.6: affected |
| DrayTek Corporation | VigorSwitch P2542x | 0 – before 3.10.6: affected |
| DrayTek Corporation | VigorSwitch P2542xh | 0 – before 3.10.6: affected |
| DrayTek Corporation | VigorSwitch PX2060 | 0 – before 2.9.10: affected |
| DrayTek Corporation | VigorSwitch G1280 | 0 – before 2.9.10: affected |
| DrayTek Corporation | VigorSwitch P1280 | 0 – before 2.9.10: affected |
| DrayTek Corporation | VigorSwitch P1281x | 0 – before 2.9.10: affected |
| DrayTek Corporation | VigorSwitch G1282 | 0 – before 2.9.10: affected |
| DrayTek Corporation | VigorSwitch P1282 | 0 – before 2.9.10: affected |
| DrayTek Corporation | VigorSwitch G2121 | 0 – before 2.9.10: affected |
| DrayTek Corporation | VigorSwitch P2121 | 0 – before 2.9.10: affected |
| DrayTek Corporation | VigorSwitch PQ2121x | 0 – before 2.9.10: affected |
| DrayTek Corporation | VigorSwitch Q2121x | 0 – before 2.9.10: affected |
| DrayTek Corporation | VigorSwitch G2280x | 0 – before 2.9.10: affected |
| DrayTek Corporation | VigorSwitch P2280x | 0 – before 2.9.10: affected |
| DrayTek Corporation | VigorSwitch Q2200x | 0 – before 2.9.10: affected |
| DrayTek Corporation | VigorSwitch PQ2200xb | 0 – before 2.9.10: affected |
| DrayTek Corporation | VigorSwitch G2100 | 0 – before 2.9.10: affected |
| DrayTek Corporation | VigorSwitch P2100 | 0 – before 2.9.10: affected |
| DrayTek Corporation | VigorSwitch G2540x | 0 – before 2.9.10: affected |
| DrayTek Corporation | VigorSwitch P2540x | 0 – before 2.9.10: affected |
DeSpy has not checked any unit, hardware revision or firmware. A product missing here is not a statement that it is unaffected.
Scores, as their sources published them
- CVSS 4.0: 8.6 HIGH — as published by VulnCheck (Secondary)
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1: 7.2 HIGH — as published by VulnCheck (Secondary)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - SSVC — CISA's assessment (SSVC 2.0.3, CISA Coordinator): Exploitation: none · Automatable: no · Technical impact: total
DeSpy does not score records. These are the sources' own values.
Weaknesses
Sources
References the source lists
- https://www.draytek.com/about/security-advisory/multiple-vulnerabilities-in-vigorswitch-series-august-2026/
- https://www.vulncheck.com/advisories/draytek-vigorswitch-multiple-models-os-command-injection-via-getvid
Source dates: published 2026-08-24, last changed 2026-08-26. DeSpy's copy of this version is dated 2026-09-28.
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