CVE-2021-33535
mediumPriorität · verfolgen · 36EPSS 0.016 · 76. PerzentilDEEUUSEPSS · bewertet 2026-10-27
In Weidmueller Industrial WLAN devices in multiple versions an exploitable format string vulnerability exists in the iw_console conio_writestr functionality. A specially crafted time server entry can cause an overflow of the time server buffer, resulting in remote code execution. An attacker can send commands while authenticated as a low privilege user to trigger this vulnerability.
Behebungen
Hersteller-Fix, Mitigation oder Workaround, wie von den Quellen veröffentlicht.
Ein Hersteller-Fix ist verfügbar.
- Behobenweidmueller_psirt
For all potential vulnerabilities, customers can download a patched firmware to secure their Industrial WLAN devices properly. Please follow the procedure below to download and install the latest firmware for your device: 1. Use the link: [www.weidmueller.com](www.weidmueller.com) 2. Enter the product number of the Industrial WLAN device you want to update in the search field on the webpage and press "Enter". 3. On the next page, expand the drop-down menu **"Downloads"**. 4. Download the respective firmware from the download table. 5. Install the firmware on your device. Patched firmware versions for all affected products | Product number | Product name | Firmware version | |---------------|-----------------------------------|------------------------------------------| | 2536600000 | IE-WL-BL-AP-CL-EU | <= V1.16.21 (Build 21010513) | | 2536650000 | IE-WLT-BL-AP-CL-EU | <= V1.16.21 (Build 21010513) | | 2536660000 | IE-WL-BL-AP-CL-US | <= V1.16.21 (Build 21010513) | | 2536670000 | IE-WLT-BL-AP-CL-US | <= V1.16.21 (Build 21010513) | | 2536680000 | IE-WL-VL-AP-BR-CL-EU | <= V1.11.13 (Build 21010513) | | 2536690000 | IE-WLT-VL-AP-BR-CL-EU | <= V1.11.13 (Build 21010513) | | 2536700000 | IE-WL-VL-AP-BR-CL-US | <= V1.11.13 (Build 21010513) | | 2536710000 | IE-WLT-VL-AP-BR-CL-US | <= V1.11.13 (Build 21010513) | If a firmware update is available for your device, please follow the steps above to install it.
cvss
Technischer Schweregrad, 0–10. Eine Zeile je Quelle.
Basiswert 0–10 · höher = schwerwiegender · Vektor überfahren zum Auflösen⚠ Quellen uneinig · medium–high · 6.5–8.8
schwächen
Die CWE-Schwächeklassen, zu denen dies gehört.
betroffene Produkte (40)
Betroffene Produkte und Versionsbereiche.
- Weidmüller IE-WL(T)-BL-AP-CL-XX≤ IE-WLT-BL-AP-CL-US (2536670000) ≤V1.16.18 (Build 18081617)enisa_euvdEU
- Weidmüller IE-WL(T)-BL-AP-CL-XX≤ IE-WL-BL-AP-CL-EU (2536600000) ≤V1.16.18 (Build 18081617)enisa_euvdEU
- Weidmüller IE-WL(T)-BL-AP-CL-XX≤ IE-WLT-BL-AP-CL-EU (2536650000) ≤V1.16.18 (Build 18081617)enisa_euvdEU
- Weidmüller IE-WL(T)-BL-AP-CL-XX≤ IE-WL-BL-AP-CL-US (2536660000) ≤V1.16.18 (Build 18081617)enisa_euvdEU
- Weidmüller IE-WL(T)-VL-AP-CL-XX≤ IE-WLT-VL-AP-BR-CL-US (2536710000) ≤V1.11.10 (Build 18122616)enisa_euvdEU
- Weidmüller IE-WL(T)-VL-AP-CL-XX≤ IE-WL-VL-AP-BR-CL-EU (2536680000) ≤V1.11.10 (Build 18122616)enisa_euvdEU
- Weidmüller IE-WL(T)-VL-AP-CL-XX≤ IE-WL-VL-AP-BR-CL-US (2536700000) ≤V1.11.10 (Build 18122616)enisa_euvdEU
- Weidmüller IE-WL(T)-VL-AP-CL-XX≤ IE-WLT-VL-AP-BR-CL-EU (2536690000) ≤V1.11.10 (Build 18122616)enisa_euvdEU
- weidmueller ie-wl-bl-ap-cl-eu firmware≤ 1.16.18nvdUScpe:2.3:o:weidmueller:ie-wl-bl-ap-cl-eu_firmware:*:*:*:*:*:*:*:*
- weidmueller ie-wl-bl-ap-cl-eu firmware≤ 1.11.10nvdUScpe:2.3:o:weidmueller:ie-wl-bl-ap-cl-eu_firmware:*:*:*:*:*:*:*:*
- weidmueller ie-wl-bl-ap-cl-us firmware≤ 1.16.18nvdUScpe:2.3:o:weidmueller:ie-wl-bl-ap-cl-us_firmware:*:*:*:*:*:*:*:*
- weidmueller ie-wl-bl-ap-cl-us firmware≤ 1.11.10nvdUScpe:2.3:o:weidmueller:ie-wl-bl-ap-cl-us_firmware:*:*:*:*:*:*:*:*
- weidmueller ie-wl-vl-ap-br-cl-eu firmware≤ 1.11.10nvdUScpe:2.3:o:weidmueller:ie-wl-vl-ap-br-cl-eu_firmware:*:*:*:*:*:*:*:*
- weidmueller ie-wl-vl-ap-br-cl-eu firmware≤ 1.16.18nvdUScpe:2.3:o:weidmueller:ie-wl-vl-ap-br-cl-eu_firmware:*:*:*:*:*:*:*:*
- weidmueller ie-wl-vl-ap-br-cl-us firmware≤ 1.11.10nvdUScpe:2.3:o:weidmueller:ie-wl-vl-ap-br-cl-us_firmware:*:*:*:*:*:*:*:*
- weidmueller ie-wl-vl-ap-br-cl-us firmware≤ 1.16.18nvdUScpe:2.3:o:weidmueller:ie-wl-vl-ap-br-cl-us_firmware:*:*:*:*:*:*:*:*
- weidmueller ie-wlt-bl-ap-cl-eu firmware≤ 1.16.18nvdUScpe:2.3:o:weidmueller:ie-wlt-bl-ap-cl-eu_firmware:*:*:*:*:*:*:*:*
- weidmueller ie-wlt-bl-ap-cl-eu firmware≤ 1.11.10nvdUScpe:2.3:o:weidmueller:ie-wlt-bl-ap-cl-eu_firmware:*:*:*:*:*:*:*:*
- weidmueller ie-wlt-bl-ap-cl-us firmware≤ 1.16.18nvdUScpe:2.3:o:weidmueller:ie-wlt-bl-ap-cl-us_firmware:*:*:*:*:*:*:*:*
- weidmueller ie-wlt-bl-ap-cl-us firmware≤ 1.11.10nvdUScpe:2.3:o:weidmueller:ie-wlt-bl-ap-cl-us_firmware:*:*:*:*:*:*:*:*
Advisories (1)
Hersteller- und Ökosystem-Meldungen dazu.
- VDE-2021-026Weidmueller: Multiple vulnerabilities in Industrial WLAN devices2021-06-23csaf · weidmueller_psirtDE
Multiple issues in Weidmueller Industrial WLAN devices have been found. Initial publication date: 2021-06-23 Update A publication date: 2021-07-02 Update A CVE-2021-33534 CVSS: 7.2 (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H) Description: An exploitable command injection vulnerability exists in the hostname functionality of Weidmueller Industrial WLAN devices. A specially crafted entry to network configuration information can cause execution of arbitrary system commands, resulting in full control of the device. An attacker can send various requests while authenticated as a high privilege user to trigger this vulnerability.
auch bekannt als (3)
Weitere Namen und Kennungen dieser Entität.
quellen
Welche Quellen diesen Datensatz belegen und wann.
Referenzen (4)
Externe Belege — Patches, Meldungen, Analysen.
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