CVE-2021-33535

Summary

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.

Affected Software

VendorProductVersion RangeStatus
WeidmüllerIE-WL(T)-BL-AP-CL-XXIE-WL-BL-AP-CL-EU (2536600000) <= V1.16.18 (Build 18081617)affected
WeidmüllerIE-WL(T)-BL-AP-CL-XXIE-WLT-BL-AP-CL-EU (2536650000) <= V1.16.18 (Build 18081617)affected
WeidmüllerIE-WL(T)-BL-AP-CL-XXIE-WL-BL-AP-CL-US (2536660000) <= V1.16.18 (Build 18081617)affected
WeidmüllerIE-WL(T)-BL-AP-CL-XXIE-WLT-BL-AP-CL-US (2536670000) <= V1.16.18 (Build 18081617)affected
WeidmüllerIE-WL(T)-VL-AP-CL-XXIE-WL-VL-AP-BR-CL-EU (2536680000) <= V1.11.10 (Build 18122616)affected
WeidmüllerIE-WL(T)-VL-AP-CL-XXIE-WLT-VL-AP-BR-CL-EU (2536690000) <= V1.11.10 (Build 18122616)affected
WeidmüllerIE-WL(T)-VL-AP-CL-XXIE-WL-VL-AP-BR-CL-US (2536700000) <= V1.11.10 (Build 18122616)affected
WeidmüllerIE-WL(T)-VL-AP-CL-XXIE-WLT-VL-AP-BR-CL-US (2536710000) <= V1.11.10 (Build 18122616)affected

Weaknesses

  • CWE-134: CWE-134 Use of Externally-Controlled Format String

ADP Enrichment

CVE Program Container

Additional References

References