high7.5
CVE-2026-111855
An issue was discovered on Tektronix 3 Series MDO devices before 1.21.1.
Impact
An issue was discovered on Tektronix 3 Series MDO devices before 1.21.1. A path traversal vulnerability exists in the web management interface of the device. Insufficient validation of user-supplied file paths allows remote attackers to read arbitrary files accessible to the application. Depending on configuration, exploitation may be possible without authentication.
Affected products
| Product | Affected versions |
|---|---|
| Issue Was Discovered On Tektronix 3 Series MDO Devices | before 1.21.1. |
Versions were read from the advisory text. No structured product data has been published for this record yet.