CVE-2021-33531— WEIDMUELLER: WLAN devices affected by Hard-coded Credentials vulnerability
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I. Basic Information for CVE-2021-33531
Vulnerability Information
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Vulnerability Title
WEIDMUELLER: WLAN devices affected by Hard-coded Credentials vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
In Weidmueller Industrial WLAN devices in multiple versions an exploitable use of hard-coded credentials vulnerability exists in multiple iw_* utilities. The device operating system contains an undocumented encryption password, allowing for the creation of custom diagnostic scripts. An attacker can send diagnostic scripts while authenticated as a low privilege user to trigger this vulnerability.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
使用硬编码的凭证
Source: NVD (National Vulnerability Database)
Vulnerability Title
Weidmueller Industrial WLAN 信任管理问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Weidmueller Industrial WLAN devices是德国Weidmueller公司的一个工控WIAN。 Weidmueller Industrial WLAN 存在安全漏洞，该漏洞源于设备操作系统包含一个未公开的加密密码，允许创建自定义诊断脚本。攻击者可以在以低权限用户身份进行身份验证时发送诊断脚本来触发此漏洞。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Weidmüller | IE-WL(T)-BL-AP-CL-XX | IE-WL-BL-AP-CL-EU (2536600000) ~ V1.16.18 (Build 18081617) | - | |
| Weidmüller | IE-WL(T)-VL-AP-CL-XX | IE-WL-VL-AP-BR-CL-EU (2536680000) ~ V1.11.10 (Build 18122616) | - |
II. Public POCs for CVE-2021-33531
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://cert.vde.com/en-us/advisories/vde-2021-026x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2021-33531
Same Patch Batch · Weidmüller · 2021-06-25 · 12 CVEs total
| CVE-2021-33528 | 8.8 HIGH | WEIDMUELLER: WLAN devices affected by privilege escalation vulnerability |
| CVE-2021-33530 | 8.8 HIGH | WEIDMUELLER: WLAN devices affected by OS Command Injection vulnerability |
| CVE-2021-33532 | 8.8 HIGH | WEIDMUELLER: WLAN devices affected by OS Command Injection vulnerability |
| CVE-2021-33533 | 8.8 HIGH | WEIDMUELLER: WLAN devices affected by OS Command Injection vulnerability |
| CVE-2021-33535 | 8.8 HIGH | WEIDMUELLER: WLAN devices affected by exploitable format string vulnerability |
| CVE-2021-33537 | 8.8 HIGH | WEIDMUELLER: WLAN devices affected by Remote Code Execution (RCE) vulnerability |
| CVE-2021-33538 | 8.8 HIGH | WEIDMUELLER: WLAN devices affected by improper access control vulnerability |
| CVE-2021-33529 | 7.5 HIGH | WEIDMUELLER: WLAN devices affected by Hard-coded Credentials vulnerability |
| CVE-2021-33536 | 7.5 HIGH | WEIDMUELLER: WLAN devices affected by Denial-of-Service vulnerability |
| CVE-2021-33534 | 7.2 HIGH | WEIDMUELLER: WLAN devices affected by OS Command Injection vulnerability |
| CVE-2021-33539 | 7.2 HIGH | WEIDMUELLER: WLAN devices affected by authentication bypass vulnerability |
IV. Related Vulnerabilities
Same product: IE-WL(T)-BL-AP-CL-XX
- CVE-2021-33539
WEIDMUELLER: WLAN devices affected by authentication bypass - CVE-2021-33538
WEIDMUELLER: WLAN devices affected by improper access contro - CVE-2021-33537
WEIDMUELLER: WLAN devices affected by Remote Code Execution - CVE-2021-33536
WEIDMUELLER: WLAN devices affected by Denial-of-Service vuln - CVE-2021-33535
WEIDMUELLER: WLAN devices affected by exploitable format str
Same vendor: Weidmüller
- CVE-2021-33539
WEIDMUELLER: WLAN devices affected by authentication bypass - CVE-2021-33538
WEIDMUELLER: WLAN devices affected by improper access contro - CVE-2021-33537
WEIDMUELLER: WLAN devices affected by Remote Code Execution - CVE-2021-33536
WEIDMUELLER: WLAN devices affected by Denial-of-Service vuln - CVE-2021-33535
WEIDMUELLER: WLAN devices affected by exploitable format str
Same weakness: CWE-798
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Easy PayPal Events & Tickets 1.3 Authentication Bypass via Q - CVE-2026-42376
D-Link DIR-456U A1 Hardcoded Telnet Backdoor Credentials - CVE-2026-42375
D-Link DIR-600L A1 Hardcoded Telnet Backdoor Credentials
V. Comments for CVE-2021-33531
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