CVE-2021-33529
WEIDMUELLER: WLAN devices affected by Hard-coded Credentials vulnerability
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
WEIDMUELLER: WLAN devices affected by Hard-coded Credentials vulnerability
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.
- Record
CVE-2021-33529- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-798
- Updated
- 2026-11-02
EUVDEUVD-2021-20221
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.
- Record
EUVD-2021-20221- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-6jrh-f26m-pv7v No score
In Weidmueller Industrial WLAN devices in multiple versions the usage of hard-coded cryptographic...
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.
- Record
GHSA-6jrh-f26m-pv7v- Weakness
- CWE-798
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2021-33529- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-798
- Updated
- 2026-11-02
Affected products
- weidmueller ie-wl-bl-ap-cl-eu firmware
- weidmueller ie-wl-bl-ap-cl-us firmware
- weidmueller ie-wl-vl-ap-br-cl-eu firmware
- weidmueller ie-wl-vl-ap-br-cl-us firmware
- weidmueller ie-wlt-bl-ap-cl-eu firmware
- weidmueller ie-wlt-bl-ap-cl-us firmware
- weidmueller ie-wlt-vl-ap-br-cl-eu firmware
- weidmueller ie-wlt-vl-ap-br-cl-us firmware
- weidmüller ie-wl(t)-bl-ap-cl-xx
- weidmüller ie-wl(t)-vl-ap-cl-xx
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-33529 is a high vulnerability (CVSS 7.5) in Weidmueller Ie-wl-bl-ap-cl-eu Firmware, published June 25, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.93%, the 60th percentile. No source names a fixed version.