CVE-2026-71932 DrayTek VigorSwitch Multiple Models Path Traversal via getSyslogFile
Remote attackers with admin credentials can access arbitrary files on DrayTek VigorSwitch devices via path traversal in the getSyslogFile function.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-71932?
CVE-2026-71932 is a medium-severity path traversal vulnerability in DrayTek Corporation VigorSwitch FX2120, published on 24 Aug 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
Multiple DrayTek VigorSwitch models contain a directory traversal vulnerability in the getSyslogFile function. The vulnerability is caused by insufficient validation of the option field. A remote attacker can trigger this vulnerability via crafted input containing path traversal sequences to access arbitrary files on the device. Exploitation requires valid administrative credentials for the device's web management interface.
Weakness: CWE-22
Which versions are affected by CVE-2026-71932?
How do I fix CVE-2026-71932?
No fix has been published for CVE-2026-71932 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-71932 being exploited?
There is no known exploitation of CVE-2026-71932 in the wild and no public exploit code.
Sources
Also known as GHSA-r5v5-f3wg-hpww.