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CVE-2026-22906— Hardcoded Key Allows Credential Disclosure

Quick assessment

Affected
WAGO 0852-1322
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.

WAGO Industrial-Managed-Switch 0852-1322和WAGO Industrial-Managed-Switch 0852-1328都是德国万可（WAGO）公司的一个工业级管理型以太网交换机。 WAGO Industrial-Managed-Switch 0852-1322和WAGO Industrial-Managed-Switch 0852-1328存在安全漏洞，该漏洞源于使用硬编码密钥的AES-ECB加密存储用户凭据，可能导致未经验证的远程攻击者解密并恢复明文用户名和密

CVSS 9.8 · Critical EPSS 0.33% · P24
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I. Basic Information for CVE-2026-22906

Vulnerability Information
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Vulnerability Title
Hardcoded Key Allows Credential Disclosure
Source: CVE Program / CVE List V5
Vulnerability Description
User credentials are stored using AES‑ECB encryption with a hardcoded key. An unauthenticated remote attacker obtaining the configuration file can decrypt and recover plaintext usernames and passwords, especially when combined with the authentication bypass.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
使用硬编码的密码学密钥
Source: CVE Program / CVE List V5
Vulnerability Title
WAGO Industrial-Managed-Switch 0852-1322和WAGO Industrial-Managed-Switch 0852-1328 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WAGO Industrial-Managed-Switch 0852-1322和WAGO Industrial-Managed-Switch 0852-1328都是德国万可（WAGO）公司的一个工业级管理型以太网交换机。 WAGO Industrial-Managed-Switch 0852-1322和WAGO Industrial-Managed-Switch 0852-1328存在安全漏洞，该漏洞源于使用硬编码密钥的AES-ECB加密存储用户凭据，可能导致未经验证的远程攻击者解密并恢复明文用户名和密
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)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
WAGO 0852-1322 0.0.0 ~ 2.64 -
WAGO 0852-1328 0.0.0 ~ 2.64 -
WAGO 0852-1322 2.64 -
WAGO 0852-1328 2.64 -

II. Public POCs for CVE-2026-22906

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III. Intelligence Information for CVE-2026-22906

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Vendor Advisories for CVE-2026-22906 (1)

Same Patch Batch · WAGO · 2026-02-09 · 4 CVEs total

CVE-2026-22903 9.8 CRITICAL Stack Overflow via SESSIONID Cookie in lighttpd
CVE-2026-22904 9.8 CRITICAL Stack Overflow via Oversized Cookie Fields in lighttpd
CVE-2026-22905 7.5 HIGH Authentication Bypass via URI Traversal

IV. Related Vulnerabilities

Same product: 0852-1322
Same vendor: WAGO
Same weakness: CWE-321

V. Comments for CVE-2026-22906

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