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CVE-2021-22126

Quick assessment

Affected
Fortinet FortiWLC
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

4Gon Meru Networks Access Points是英国4Gon公司的一个网络设备。提供了交换式以太网的可预测性和性能。 Meru AP 存在信任管理问题漏洞，该漏洞源于应用程序代码中存在硬编码的凭据。以下产品及版本受到影响：Meru AP: 8.5.0, 8.5.1, 8.5.2。

CVSS 6.5 · Medium EPSS 0.16% · P5

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts
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I. Basic Information for CVE-2021-22126

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A use of hard-coded password vulnerability in FortiWLC version 8.5.2 and below, version 8.4.8 and below, version 8.3.3 to 8.3.2, version 8.2.7 to 8.2.6 may allow a local, authenticated attacker to connect to the managed Access Point (Meru AP and FortiAP-U) as root using the default hard-coded username and password.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
4Gon Meru Networks Access Points 信任管理问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
4Gon Meru Networks Access Points是英国4Gon公司的一个网络设备。提供了交换式以太网的可预测性和性能。 Meru AP 存在信任管理问题漏洞，该漏洞源于应用程序代码中存在硬编码的凭据。以下产品及版本受到影响：Meru AP: 8.5.0, 8.5.1, 8.5.2。
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
Fortinet FortiWLC 8.5.0 ~ 8.5.2 cpe:2.3:a:fortinet:fortiwlc:8.5.2:*:*:*:*:*:*:*

II. Public POCs for CVE-2021-22126

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III. Intelligence Information for CVE-2021-22126

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Vendor Advisories for CVE-2021-22126 (1)

Same Patch Batch · Fortinet · 2025-03-17 · 9 CVEs total

CVE-2024-54027 7.8 HIGH Fortinet FortiSandbox 安全漏洞
CVE-2019-6697 5.2 MEDIUM Fortinet FortiGate 跨站脚本漏洞
CVE-2020-29010 4.9 MEDIUM FortiGate 安全漏洞
CVE-2021-32584 4.8 MEDIUM FortiWLC 访问控制错误漏洞
CVE-2020-9295 4.7 MEDIUM Fortinet FortiClient 和 FortiOS 安全漏洞
CVE-2021-26087 4.2 MEDIUM FortiWLC web界面 跨站脚本漏洞
CVE-2019-15706 4.0 MEDIUM Fortinet FortiOS 跨站脚本漏洞
CVE-2019-17659 3.6 LOW Fortinet FortiSIEM 安全漏洞

IV. Related Vulnerabilities

Same product: FortiWLC
Same vendor: Fortinet
Same weakness: CWE-284

V. Comments for CVE-2021-22126

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