In Weidmueller Industrial WLAN devices in multiple versions an exploitable denial-of-service vulnerability exists in ServiceAgent functionality. A specially crafted packet can cause an integer underflow, triggering a large memcpy that will access unmapped or out-of-bounds memory. An attacker can send this packet while unauthenticated to trigger this vulnerability.
Advisories
Source ID Title
EUVD EUVD EUVD-2021-20228 In Weidmueller Industrial WLAN devices in multiple versions an exploitable denial-of-service vulnerability exists in ServiceAgent functionality. A specially crafted packet can cause an integer underflow, triggering a large memcpy that will access unmapped or out-of-bounds memory. An attacker can send this packet while unauthenticated to trigger this vulnerability.
Fixes

Solution

For IE-WL(T)-BL-AP-CL-XX versions V1.16.21 (Build 21010513) and greater are fixed. For IE-WL(T)-VL-AP-CL-XX versions V1.11.13 (Build 21010513) and greater are fixed.


Workaround

No workaround given by the vendor.

History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: CERTVDE

Published:

Updated: 2024-09-17T03:38:31.151Z

Reserved: 2021-05-24T00:00:00

Link: CVE-2021-33536

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-06-25T19:15:09.430

Modified: 2024-11-21T06:09:02.077

Link: CVE-2021-33536

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.