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CVE-2026-33924— Authenticated RCE in update functionality in Guardian/CMC before 26.4.0

Quick assessment

Affected
Nozomi Networks Guardian
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.

在更新安装功能中发现了两个操作系统命令注入漏洞，原因是未对更新包内容进行充分验证。拥有管理员权限的攻击者可远程提供经过篡改的更新包；该包在安装时将导致以 root 权限执行任意命令，从而使攻击者能够读取或修改敏感数据、更改设备配置，或关闭设备。

CVSS 7.2 · High
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I. Basic Information for CVE-2026-33924

Vulnerability Information
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Vulnerability Title
Authenticated RCE in update functionality in Guardian/CMC before 26.4.0
Source: CVE Program / CVE List V5
Vulnerability Description
Two OS command injection vulnerabilities were discovered in the update installation functionality due to insufficient validation of the update bundle contents. An attacker with administrative privileges can remotely supply a crafted update bundle that, when installed, causes arbitrary commands to be executed with root privileges, allowing the attacker to read or modify sensitive data, change the appliance configuration, or shut down the appliance.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Nozomi Networks Guardian 0 ~ 26.4.0 -
Nozomi Networks CMC 0 ~ 26.4.0 -

II. Public POCs for CVE-2026-33924

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III. Intelligence Information for CVE-2026-33924

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Other References for CVE-2026-33924 (1)

IV. Related Vulnerabilities

Same product: Guardian
Same vendor: Nozomi Networks
Same weakness: CWE-78