In Weidmueller Industrial WLAN devices in multiple versions an exploitable format string vulnerability exists in the iw_console conio_writestr functionality. A specially crafted time server entry can cause an overflow of the time server buffer, resulting in remote code execution. An attacker can send commands while authenticated as a low privilege user to trigger this vulnerability.
Solution:
The product uses a function that accepts a format string as an argument, but the format string originates from an external source.
| Link | Tags |
|---|---|
| https://cert.vde.com/en-us/advisories/vde-2021-026 | third party advisory |