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Vulnerability · Published Jun 25, 2021 · Assigned by CERTVDE

CVE-2021-33533WEIDMUELLER: WLAN devices affected by OS Command Injection vulnerability

High 8.8

In plain English

A high-severity OS command injection 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 1.7% (higher than 78% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High
Exploit odds (30 days)1.7%top 22.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

In Weidmueller Industrial WLAN devices in multiple versions an exploitable command injection vulnerability exists in the iw_webs functionality. A specially crafted iw_serverip parameter can cause user input to be reflected in a subsequent iw_system call, resulting in remote control over the device. An attacker can send commands while authenticated as a low privilege user to trigger this vulnerability.

Affected products (as reported)

VendorProductVersions
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-78 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References