Vulnerability · Published Jun 25, 2021 · Assigned by CERTVDE
CVE-2021-33537WEIDMUELLER: WLAN devices affected by Remote Code Execution (RCE) vulnerability
High 8.8
In plain English
A high-severity buffer overflow in IE-WL(T)-BL-AP-CL-XX from Weidmüller. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.6% (higher than 76% of all known vulnerabilities).
Official description
In Weidmueller Industrial WLAN devices in multiple versions an exploitable remote code execution vulnerability exists in the iw_webs configuration parsing functionality. A specially crafted user name entry can cause an overflow of an error message buffer, resulting in remote code execution. An attacker can send commands while authenticated as a low privilege user to trigger this vulnerability.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Weidmüller | IE-WL(T)-BL-AP-CL-XX | IE-WL-BL-AP-CL-EU (2536600000) – through V1.16.18 (Build 18081617)IE-WLT-BL-AP-CL-EU (2536650000) – through V1.16.18 (Build 18081617)IE-WL-BL-AP-CL-US (2536660000) – through V1.16.18 (Build 18081617)IE-WLT-BL-AP-CL-US (2536670000) – through V1.16.18 (Build 18081617) |
| Weidmüller | IE-WL(T)-VL-AP-CL-XX | IE-WL-VL-AP-BR-CL-EU (2536680000) – through V1.11.10 (Build 18122616)IE-WLT-VL-AP-BR-CL-EU (2536690000) – through V1.11.10 (Build 18122616)IE-WL-VL-AP-BR-CL-US (2536700000) – through V1.11.10 (Build 18122616)IE-WLT-VL-AP-BR-CL-US (2536710000) – through V1.11.10 (Build 18122616) |
Weakness: CWE-120 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References
- https://cert.vde.com/en-us/advisories/vde-2021-026 x_refsource_CONFIRM