CVE-2021-33535

High

Description

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.

SeverityHigh
CVSS8.8
Exploit probability—
ProductWeidmueller Ie-wl-bl-ap-cl-eu Firmware
PublishedJun 25, 2021
First seenJun 25, 2021
Weakness typeCWE-134CWE-134

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 ≤ 1.11.10—
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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