CVE-2021-33539

High

Description

In Weidmueller Industrial WLAN devices in multiple versions an exploitable authentication bypass vulnerability exists in the hostname processing. A specially configured device hostname can cause the device to interpret selected remote traffic as local traffic, resulting in a bypass of web authentication. An attacker can send authenticated SNMP requests to trigger this vulnerability.

SeverityHigh
CVSS7.2
Exploit probability—
ProductWeidmueller Ie-wl-bl-ap-cl-eu Firmware
PublishedJun 25, 2021
First seenJun 25, 2021

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
weidmueller ie-wl-bl-ap-cl-eu_firmwarev ≤ 1.16.18, v ≤ 1.11.10—
weidmueller ie-wlt-bl-ap-cl-eu_firmwarev ≤ 1.16.18, v ≤ v1.11.10—
weidmueller ie-wl-bl-ap-cl-us_firmwarev ≤ 1.16.18, v ≤ 1.11.10—
weidmueller ie-wlt-bl-ap-cl-us_firmwarev ≤ 1.16.18, v ≤ 1.11.10—
weidmueller ie-wl-vl-ap-br-cl-eu_firmwarev ≤ 1.16.18, v ≤ 1.11.10—
weidmueller ie-wlt-vl-ap-br-cl-eu_firmwarev ≤ 1.16.18, v ≤ 1.11.10—
weidmueller ie-wl-vl-ap-br-cl-us_firmwarev ≤ 1.16.18, v ≤ 1.11.10—
weidmueller ie-wlt-vl-ap-br-cl-us_firmwarev ≤ 1.16.18, v ≤ 1.11.10—

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