CVE-2021-33530

WEIDMUELLER: WLAN devices affected by OS Command Injection vulnerability

HIGH
8.8
CVSS Score
Published: June 25, 2021 at 06:25 PM UTC
Updated: June 17, 2026 at 03:54 AM UTC
16 products affected across 1 vendorIe Wlt Vl AP Br Cl Us FirmwareIe Wlt Bl AP Cl Eu FirmwareIe Wlt Bl AP Cl Us Firmware

Using IE-WL(T)-BL-AP-CL-XX by Weidmüller?

Get instant alerts when new vulnerabilities affect IE-WL(T)-BL-AP-CL-XX - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
HIGH8.8
Exploit prediction
EPSS 2%

Description

In Weidmueller Industrial WLAN devices in multiple versions an exploitable command injection vulnerability exists in encrypted diagnostic script functionality of the devices. A specially crafted diagnostic script file can cause arbitrary busybox commands to be executed, resulting in remote control over the device. An attacker can send diagnostic while authenticated as a low privilege user to trigger this vulnerability.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ 1.11.10v ≤ 1.16.18
weidmueller-ie-wl-bl-ap-cl-eu (same device)
v ≤ 1.11.10v ≤ 1.16.18
weidmueller-ie-wl-bl-ap-cl-us (same device)
v ≤ 1.11.10v ≤ 1.16.18
weidmueller-ie-wl-vl-ap-br-cl-eu (same device)
v ≤ 1.11.10v ≤ 1.16.18
weidmueller-ie-wl-vl-ap-br-cl-us (same device)
v ≤ 1.11.10v ≤ 1.16.18
weidmueller-ie-wlt-bl-ap-cl-eu (same device)
v ≤ 1.11.10v ≤ 1.16.18
weidmueller-ie-wlt-bl-ap-cl-us (same device)
v ≤ 1.11.10v ≤ 1.16.18
weidmueller-ie-wlt-vl-ap-br-cl-eu (same device)
v ≤ 1.11.10v ≤ 1.16.18
weidmueller-ie-wlt-vl-ap-br-cl-us (same device)
All versions
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

x_refsource_CONFIRMThird Party Advisory
https://cert.vde.com/en-us/advisories/vde-2021-026

CVSS

8.8HIGHCERTVDE
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-78

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card