CVE-2026-71933
DrayTek VigorSwitch Multiple Models Missing Authorization in Syslog Functions
- State
- Published
- Severity
- 8.8 High
- Published
- Aug 24, 2026
- Updated
- Aug 26, 2026
- Reserved
- Aug 8, 2026
Description
Multiple DrayTek VigorSwitch models contain unauthorized operation vulnerabilities in multiple syslog functions. The vulnerability is caused by missing authorization checks. A remote attacker can trigger these vulnerabilities via crafted requests to modify configuration, restart services, save startup configuration, or clear logs.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.8 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 9.1 Critical | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H | VulnCheck |
Weaknesses
- CWE-862 Missing Authorization
Affected Products
| Product | Versions |
|---|---|
VigorSwitch G2540xsDrayTek Corporation |
|
VigorSwitch P2540xsDrayTek Corporation |
|
VigorSwitch FX2120DrayTek Corporation |
|
VigorSwitch G2282xDrayTek Corporation |
|
VigorSwitch P2282xDrayTek Corporation |
|
VigorSwitch Q2300xDrayTek Corporation |
|
VigorSwitch PQ2300xbDrayTek Corporation |
|
VigorSwitch G2542xDrayTek Corporation |
|
VigorSwitch P2542xDrayTek Corporation |
|
VigorSwitch P2542xhDrayTek Corporation |
|
VigorSwitch PX2060DrayTek Corporation |
|
VigorSwitch G1280DrayTek Corporation |
|
VigorSwitch P1280DrayTek Corporation |
|
VigorSwitch P1281xDrayTek Corporation |
|
VigorSwitch G1282DrayTek Corporation |
|
VigorSwitch P1282DrayTek Corporation |
|
VigorSwitch G2121DrayTek Corporation |
|
VigorSwitch P2121DrayTek Corporation |
|
VigorSwitch PQ2121xDrayTek Corporation |
|
VigorSwitch Q2121xDrayTek Corporation |
|
VigorSwitch G2280xDrayTek Corporation |
|
VigorSwitch P2280xDrayTek Corporation |
|
VigorSwitch Q2200xDrayTek Corporation |
|
VigorSwitch PQ2200xbDrayTek Corporation |
|
VigorSwitch G2100DrayTek Corporation |
|
VigorSwitch P2100DrayTek Corporation |
|
VigorSwitch G2540xDrayTek Corporation |
|
VigorSwitch P2540xDrayTek Corporation |
|
References
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