In Weidmueller Industrial WLAN devices in multiple versions an exploitable privilege escalation vulnerability exists in the iw_console functionality. A specially crafted menu selection string can cause an escape from the restricted console, resulting in system access as the root user. An attacker can send commands while authenticated as a low privilege user to trigger this vulnerability.

References

• https://nvd.nist.gov/vuln/detail/CVE-2021-33528
• https://cert.vde.com/en-us/advisories/vde-2021-026