# CVE-2026-71925: DrayTek VigorSwitch command injection in getDetail

Source: https://junglewise.ai/threats/cve-2026-71925-draytek-vigorswitch-command-injection-in-getdetail  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-08-24. Updated: 2026-09-25  
License: CC BY 4.0 with a link back

CVE-2026-71925 · Severity: high · CVSS 7.2 · Published 2026-08-24

DrayTek VigorSwitch is a network switch used to manage and route data across enterprise networks. A command injection vulnerability in the web management interface allows authenticated administrators with valid credentials to execute arbitrary system commands with root-level privileges, potentially leading to complete device compromise and network disruption.

Technologies: [DrayTek VigorSwitch FX2120](https://junglewise.ai/threats/technologies/vigorswitch-fx2120), [DrayTek VigorSwitch G1280](https://junglewise.ai/threats/technologies/vigorswitch-g1280), [DrayTek VigorSwitch G1282](https://junglewise.ai/threats/technologies/vigorswitch-g1282), [DrayTek VigorSwitch G2100](https://junglewise.ai/threats/technologies/vigorswitch-g2100), [DrayTek VigorSwitch G2121](https://junglewise.ai/threats/technologies/vigorswitch-g2121), [DrayTek VigorSwitch G2280x](https://junglewise.ai/threats/technologies/vigorswitch-g2280x), [DrayTek VigorSwitch G2282x](https://junglewise.ai/threats/technologies/vigorswitch-g2282x), [DrayTek VigorSwitch G2540x](https://junglewise.ai/threats/technologies/vigorswitch-g2540x), [DrayTek VigorSwitch G2540xs](https://junglewise.ai/threats/technologies/vigorswitch-g2540xs), [DrayTek VigorSwitch G2542x](https://junglewise.ai/threats/technologies/vigorswitch-g2542x), [DrayTek VigorSwitch P1280](https://junglewise.ai/threats/technologies/vigorswitch-p1280), [DrayTek VigorSwitch P1281x](https://junglewise.ai/threats/technologies/vigorswitch-p1281x), [DrayTek VigorSwitch P1282](https://junglewise.ai/threats/technologies/vigorswitch-p1282), [DrayTek VigorSwitch P2100](https://junglewise.ai/threats/technologies/vigorswitch-p2100), [DrayTek VigorSwitch P2121](https://junglewise.ai/threats/technologies/vigorswitch-p2121), [DrayTek VigorSwitch P2280x](https://junglewise.ai/threats/technologies/vigorswitch-p2280x), [DrayTek VigorSwitch P2282x](https://junglewise.ai/threats/technologies/vigorswitch-p2282x), [DrayTek VigorSwitch P2540x](https://junglewise.ai/threats/technologies/vigorswitch-p2540x), [DrayTek VigorSwitch P2540xs](https://junglewise.ai/threats/technologies/vigorswitch-p2540xs), [DrayTek VigorSwitch P2542x](https://junglewise.ai/threats/technologies/vigorswitch-p2542x), [DrayTek VigorSwitch P2542xh](https://junglewise.ai/threats/technologies/vigorswitch-p2542xh), [DrayTek VigorSwitch PQ2121x](https://junglewise.ai/threats/technologies/vigorswitch-pq2121x), [DrayTek VigorSwitch PQ2200xb](https://junglewise.ai/threats/technologies/vigorswitch-pq2200xb), [DrayTek VigorSwitch PQ2300xb](https://junglewise.ai/threats/technologies/vigorswitch-pq2300xb), [DrayTek VigorSwitch PX2060](https://junglewise.ai/threats/technologies/vigorswitch-px2060), [DrayTek VigorSwitch Q2121x](https://junglewise.ai/threats/technologies/vigorswitch-q2121x), [DrayTek VigorSwitch Q2200x](https://junglewise.ai/threats/technologies/vigorswitch-q2200x), [DrayTek VigorSwitch Q2300x](https://junglewise.ai/threats/technologies/vigorswitch-q2300x). Vendors: [DrayTek](https://junglewise.ai/threats/vendors/draytek).

## Quick answers

**Is CVE-2026-71925 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-71925 being exploited in the wild.

**How severe is CVE-2026-71925?** High severity, with a CVSS score of 7.2, published 24 August 2026.

**Which products and versions are affected?** DrayTek VigorSwitch FX2120 < 3.9.10; DrayTek VigorSwitch G1280 < 2.9.10; DrayTek VigorSwitch G1282 < 2.9.10; DrayTek VigorSwitch G2100 < 2.9.10; and 24 more.

**Is there a fix for CVE-2026-71925?** A patch was published on 2026-08-24: Firmware updates released for all affected models Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-71925 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2026-71925?** Check whether you run DrayTek VigorSwitch FX2120, DrayTek VigorSwitch G1280, DrayTek VigorSwitch G1282 or one of the others listed at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

The vulnerability is a command injection flaw (CWE-78) in the getDetail function of the VigorSwitch mainfunction.cgi component, caused by insufficient input validation on the username and password fields before command execution. The attack vector is network-based via the web management interface. Exploitation requires valid administrative credentials and network access to the device's web interface. An authenticated attacker can inject specially crafted input to execute arbitrary OS commands with root privileges on the affected appliance. Patches are available for all affected models via firmware updates.

## Affected products

- DrayTek VigorSwitch G2540xs < 3.9.10
- DrayTek VigorSwitch P2540xs < 3.9.10
- DrayTek VigorSwitch FX2120 < 3.9.10
- DrayTek VigorSwitch G2282x < 2.10.6
- DrayTek VigorSwitch P2282x < 2.10.6
- DrayTek VigorSwitch Q2300x < 2.10.7
- DrayTek VigorSwitch PQ2300xb < 2.10.7
- DrayTek VigorSwitch G2542x < 3.10.6
- DrayTek VigorSwitch P2542x < 3.10.6
- DrayTek VigorSwitch P2542xh < 3.10.6
- DrayTek VigorSwitch PX2060 < 2.9.10
- DrayTek VigorSwitch G1280 < 2.9.10
- DrayTek VigorSwitch P1280 < 2.9.10
- DrayTek VigorSwitch P1281x < 2.9.10
- DrayTek VigorSwitch G1282 < 2.9.10
- DrayTek VigorSwitch P1282 < 2.9.10
- DrayTek VigorSwitch G2121 < 2.9.10
- DrayTek VigorSwitch P2121 < 2.9.10
- DrayTek VigorSwitch PQ2121x < 2.9.10
- DrayTek VigorSwitch Q2121x < 2.9.10
- DrayTek VigorSwitch G2280x < 2.9.10
- DrayTek VigorSwitch P2280x < 2.9.10
- DrayTek VigorSwitch Q2200x < 2.9.10
- DrayTek VigorSwitch PQ2200xb < 2.9.10
- DrayTek VigorSwitch G2100 < 2.9.10
- DrayTek VigorSwitch P2100 < 2.9.10
- DrayTek VigorSwitch G2540x < 2.9.10
- DrayTek VigorSwitch P2540x < 2.9.10

## Timeline

- 2026-08-24: disclosed
- 2026-08-24: patched: Firmware updates released for all affected models

## References

- [https://www.draytek.com/about/security-advisory/multiple-vulnerabilities-in-vigorswitch-series-august-2026/](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-getdetail](https://www.vulncheck.com/advisories/draytek-vigorswitch-multiple-models-os-command-injection-via-getdetail)

## Related threats

- [DrayTek VigorSwitch command injection in setDevNet](https://junglewise.ai/threats/cve-2026-71943-draytek-vigorswitch-command-injection-in-setdevnet)
- [DrayTek VigorSwitch buffer overflow in mail_mailalert](https://junglewise.ai/threats/cve-2026-71942-draytek-vigorswitch-buffer-overflow-in-mail-mailalert)
- [DrayTek VigorSwitch buffer overflow in diag_logmail](https://junglewise.ai/threats/cve-2026-71941-draytek-vigorswitch-buffer-overflow-in-diag-logmail)
- [DrayTek VigorSwitch buffer overflow in acl_general_setup Edit ACE](https://junglewise.ai/threats/cve-2026-71940-draytek-vigorswitch-buffer-overflow-in-acl-general-setup-edit-ace)
- [DrayTek VigorSwitch buffer overflow in acl_general_setup](https://junglewise.ai/threats/cve-2026-71939-draytek-vigorswitch-buffer-overflow-in-acl-general-setup)