HIGH
DrayTek VigorSwitch Multiple Models OS Command Injection via getDetail
Published Aug 24, 2026
8.6
HIGHCVSS 4.0
EPSS 2.27%
Description
Multiple DrayTek VigorSwitch models contain a command injection vulnerability in the getDetail 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.
Affected products
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- Version 0StatusaffectedConstraints<3.9.10
- Version
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- Version 0StatusaffectedConstraints<2.9.10
- Version
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- Version 0StatusaffectedConstraints<2.9.10
- Version
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- Version 0StatusaffectedConstraints<2.9.10
- Version
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- Version 0StatusaffectedConstraints<2.9.10
- Version
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- Version 0StatusaffectedConstraints<2.9.10
- Version
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- Version 0StatusaffectedConstraints<2.10.6
- Version
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- Version 0StatusaffectedConstraints<2.9.10
- Version
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- Version 0StatusaffectedConstraints<3.9.10
- Version
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- Version 0StatusaffectedConstraints<3.10.6
- Version
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- Version 0StatusaffectedConstraints<2.9.10
- Version
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- Version 0StatusaffectedConstraints<2.9.10
- Version
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- Version 0StatusaffectedConstraints<2.9.10
- Version
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- Version 0StatusaffectedConstraints<2.9.10
- Version
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- Version 0StatusaffectedConstraints<2.9.10
- Version
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- Version 0StatusaffectedConstraints<2.9.10
- Version
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- Version 0StatusaffectedConstraints<2.10.6
- Version
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- Version 0StatusaffectedConstraints<2.9.10
- Version
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- Version 0StatusaffectedConstraints<3.9.10
- Version
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- Version 0StatusaffectedConstraints<3.10.6
- Version
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- Version 0StatusaffectedConstraints<3.10.6
- Version
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- Version 0StatusaffectedConstraints<2.9.10
- Version
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- Version 0StatusaffectedConstraints<2.9.10
- Version
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- Version 0StatusaffectedConstraints<2.10.7
- Version
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- Version 0StatusaffectedConstraints<2.9.10
- Version
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- Version 0StatusaffectedConstraints<2.9.10
- Version
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- Version 0StatusaffectedConstraints<2.9.10
- Version
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- Version 0StatusaffectedConstraints<2.10.7
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| DrayTek Corporation | VigorSwitch FX2120 | unaffected |
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| DrayTek Corporation | VigorSwitch G1280 | unaffected |
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| DrayTek Corporation | VigorSwitch G1282 | unaffected |
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| DrayTek Corporation | VigorSwitch G2100 | unaffected |
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| DrayTek Corporation | VigorSwitch G2121 | unaffected |
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| DrayTek Corporation | VigorSwitch G2280x | unaffected |
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| DrayTek Corporation | VigorSwitch G2282x | unaffected |
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| DrayTek Corporation | VigorSwitch G2540x | unaffected |
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| DrayTek Corporation | VigorSwitch G2540xs | unaffected |
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| DrayTek Corporation | VigorSwitch G2542x | unaffected |
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| DrayTek Corporation | VigorSwitch P1280 | unaffected |
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| DrayTek Corporation | VigorSwitch P1281x | unaffected |
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| DrayTek Corporation | VigorSwitch P1282 | unaffected |
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| DrayTek Corporation | VigorSwitch P2100 | unaffected |
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| DrayTek Corporation | VigorSwitch P2121 | unaffected |
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| DrayTek Corporation | VigorSwitch P2280x | unaffected |
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| DrayTek Corporation | VigorSwitch P2282x | unaffected |
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| DrayTek Corporation | VigorSwitch P2540x | unaffected |
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| DrayTek Corporation | VigorSwitch P2540xs | unaffected |
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| DrayTek Corporation | VigorSwitch P2542x | unaffected |
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| DrayTek Corporation | VigorSwitch P2542xh | unaffected |
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| DrayTek Corporation | VigorSwitch PQ2121x | unaffected |
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| DrayTek Corporation | VigorSwitch PQ2200xb | unaffected |
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| DrayTek Corporation | VigorSwitch PQ2300xb | unaffected |
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| DrayTek Corporation | VigorSwitch PX2060 | unaffected |
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| DrayTek Corporation | VigorSwitch Q2121x | unaffected |
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| DrayTek Corporation | VigorSwitch Q2200x | unaffected |
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| DrayTek Corporation | VigorSwitch Q2300x | unaffected |
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No data.
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
8.6 HIGH CVE.org
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
Attack Vector Network
Attack Complexity Low
Attack Requirements None
Privileges Required High
User Interaction None
Vulnerable System Confidentiality High
Vulnerable System Integrity High
Vulnerable System Availability High
Subsequent System Confidentiality None
Subsequent System Integrity None
Subsequent System Availability None
1 other source (NVD) ▾
8.6 HIGH NVD
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
Attack Vector Network
Attack Complexity Low
Attack Requirements None
Privileges Required High
User Interaction None
Vulnerable System Confidentiality High
Vulnerable System Integrity High
Vulnerable System Availability High
Subsequent System Confidentiality None
Subsequent System Integrity None
Subsequent System Availability None
Exploit Maturity n/a
Confidentiality Requirement n/a
Integrity Requirement n/a
Availability Requirement n/a
Scope n/a
7.2 HIGH CVE.org
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required High
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
NoTechnical Impact
TotalDecision
n/aAssessed Aug 24, 2026 · SSVC 2.0.3
2.27% 0.02265
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.02265
Score over time
Aug–Oct 2026- EPSS v5
Percentile over time
- EPSS v5
Table of values (2 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.27% (0.02265) | 82.39th | v5 (v2026.06.15) |
| Aug 25, 2026 | 3.05% (0.03054) | 86.57th | v5 (v2026.06.15) |
Weaknesses (1)
References (2)
- https://www.draytek.com/about/security-advisory/multiple-vulnerabilities-in-vigorswitch-series-august-2026/ vendor-advisory
- https://www.vulncheck.com/advisories/draytek-vigorswitch-multiple-models-os-command-injection-via-getdetail third-party-advisory
| Link | Providers | Tags |
|---|---|---|
| https://www.draytek.com/about/security-advisory/multiple-vulnerabilities-in-vigorswitch-series-august-2026/ | vendor-advisory | |
| https://www.vulncheck.com/advisories/draytek-vigorswitch-multiple-models-os-command-injection-via-getdetail | third-party-advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner VulnCheck
Published Aug 24, 2026
Updated Aug 24, 2026
Reserved Aug 8, 2026
Link CVE-2026-71925
CISA Vulnrichment
Updated Aug 24, 2026