CVE-2021-33529

WEIDMUELLER: WLAN devices affected by Hard-coded Credentials vulnerability

HIGH

7.5

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

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Severity

HIGH7.5

Exploit prediction

EPSS 0.9%

Description

In Weidmueller Industrial WLAN devices in multiple versions the usage of hard-coded cryptographic keys within the service agent binary allows for the decryption of captured traffic across the network from or to the device.

Affected

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

Ie Wl Bl AP Cl Eu Firmware · Weidmueller

95%

v ≤ 1.11.10v ≤ 1.16.18

weidmueller-ie-wl-bl-ap-cl-eu (same device)

Ie Wl Bl AP Cl Us Firmware · Weidmueller

95%

v ≤ 1.11.10v ≤ 1.16.18

weidmueller-ie-wl-bl-ap-cl-us (same device)

Ie Wl Vl AP Br Cl Eu Firmware · Weidmueller

95%

v ≤ 1.11.10v ≤ 1.16.18

weidmueller-ie-wl-vl-ap-br-cl-eu (same device)

Ie Wl Vl AP Br Cl Us Firmware · Weidmueller

95%

v ≤ 1.11.10v ≤ 1.16.18

weidmueller-ie-wl-vl-ap-br-cl-us (same device)

Ie Wlt Bl AP Cl Eu Firmware · Weidmueller

95%

v ≤ 1.11.10v ≤ 1.16.18

weidmueller-ie-wlt-bl-ap-cl-eu (same device)

Ie Wlt Bl AP Cl Us Firmware · Weidmueller

95%

v ≤ 1.11.10v ≤ 1.16.18

weidmueller-ie-wlt-bl-ap-cl-us (same device)

Ie Wlt Vl AP Br Cl Eu Firmware · Weidmueller

95%

v ≤ 1.11.10v ≤ 1.16.18

weidmueller-ie-wlt-vl-ap-br-cl-eu (same device)

Ie Wlt Vl AP Br Cl Us Firmware · Weidmueller

95%

v ≤ 1.11.10v ≤ 1.16.18

weidmueller-ie-wlt-vl-ap-br-cl-us (same device)

Ie-Wl-Bl-Ap-Cl-Eu · Weidmuellerdevice

80%

All versions

Ie-Wl-Bl-Ap-Cl-Us · Weidmuellerdevice

80%

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

Source: [email protected]

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

CVSS

7.5HIGHCERTVDE

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: NONE
Availability: NONE

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-798

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