PT-2021-20182 · Weidmueller · Weidmueller Industrial Wlan

Published 2021-06-25 · Updated 2021-07-27 · CVE-2021-33535

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Weidmueller Industrial WLAN devices (affected versions not specified)

Description A format string vulnerability exists in the iw console conio writestr functionality, allowing for remote code execution. This can be triggered by a specially crafted time server entry that causes an overflow of the time server buffer. An attacker, authenticated as a low-privilege user, can send commands to exploit this issue.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Use of Externally-Controlled Format String

Weakness Enumeration

CWE-134

Related Identifiers

CVE-2021-33535

Affected Products

Weidmueller Industrial Wlan

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2021-33535 · Security Note
• https://osv.dev/vulnerability/CVE-2021-33535 · Vendor Advisory
• https://t.me/cvenotify/16762 · Telegram Post
• https://cert.vde.com/en-us/advisories/vde-2021-026 · Note