CVE-2021-33532: weidmueller ie-wl-bl-ap-cl-eu_firmware OS Command Injection
Vulnerability summary
CVE-2021-33532 is a high (CVSS 9.0) OS Command Injection vulnerability in weidmueller ie-wl-bl-ap-cl-eu_firmware. EPSS estimates a 1.73% chance of exploitation in the next 30 days, higher than 77.3% of scored vulnerabilities.
Timeline
- 25-06-2021PublishedVulnerability first disclosed.
- 17-09-2024Last modifiedVulnerability information updated.
Description
In Weidmueller Industrial WLAN devices in multiple versions an exploitable command injection vulnerability exists in the iw_webs functionality. A specially crafted diagnostic script file name can cause user input to be reflected in a subsequent iw_system call, resulting in remote control over the device. An attacker can send commands while authenticated as a low privilege user to trigger this vulnerability.
CVSS metrics
3 scores · 2 sources · 2 versions- NVDNIST8.8HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
1.73%
Chance of exploitation in the next 30 days
Percentile
77%
Versus all other CVEs
30-day change
0.00 pp
From 1.73% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Weidmueller8 products
- ie-wl-bl-ap-cl-eu_firmware≤ 1.16.18 | ≤ 1.11.10
- ie-wl-bl-ap-cl-us_firmware≤ 1.16.18 | ≤ 1.11.10
- ie-wl-vl-ap-br-cl-eu_firmware≤ 1.16.18 | ≤ 1.11.10
- ie-wl-vl-ap-br-cl-us_firmware≤ 1.16.18 | ≤ 1.11.10
- ie-wlt-bl-ap-cl-eu_firmware≤ 1.16.18 | ≤ 1.11.10
Weidmüller2 products
- ie-wl(t)-bl-ap-cl-xx≥ IE-WL-BL-AP-CL-EU (2536600000), ≤ V1.16.18 (Build 18081617) | ≥ IE-WLT-BL-AP-CL-EU (2536650000), ≤ V1.16.18 (Build 18081617) | ≥ IE-WL-BL-AP-CL-US (2536660000), ≤ V1.16.18 (Build 18081617) | ≥ IE-WLT-BL-AP-CL-US (2536670000), ≤ V1.16.18 (Build 18081617)
- ie-wl(t)-vl-ap-cl-xx≥ IE-WL-VL-AP-BR-CL-EU (2536680000), ≤ V1.11.10 (Build 18122616) | ≥ IE-WLT-VL-AP-BR-CL-EU (2536690000), ≤ V1.11.10 (Build 18122616) | ≥ IE-WL-VL-AP-BR-CL-US (2536700000), ≤ V1.11.10 (Build 18122616) | ≥ IE-WLT-VL-AP-BR-CL-US (2536710000), ≤ V1.11.10 (Build 18122616)
2 vendors · 10 products