In Weidmueller Industrial WLAN devices in multiple versions an exploitable use of hard-coded credentials vulnerability exists in multiple iw_* utilities. The device operating system contains an undocumented encryption password, allowing for the creation of custom diagnostic scripts. An attacker can send diagnostic scripts while authenticated as a low privilege user to trigger this vulnerability.

References

• https://nvd.nist.gov/vuln/detail/CVE-2021-33531
• https://cert.vde.com/en-us/advisories/vde-2021-026