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CVE-2026-38820

Quick assessment

Affected
openNDS openNDS
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.

openNDS 在 11.0.0 之前的版本存在未认证的操作系统命令执行漏洞。由于 脚本的处理方式，攻击者可以通过 端点的 查询参数进行 shell 命令注入，从而在未认证的情况下执行任意操作系统命令。

CVSS 8.3 · High EPSS 1.74% · P76

Affected Version Matrix 1

VendorProduct Version RangeStatus
openNDS openNDS < 11.0.0 affected
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I. Basic Information for CVE-2026-38820

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
openNDS before 11.0.0 is susceptible to unauthenticated OS command execution via shell command injection through the fas query parameter on the /opennds_preauth/ endpoint because of libopennds.sh.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
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
openNDS openNDS 0 ~ 11.0.0 -

II. Public POCs for CVE-2026-38820

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III. Intelligence Information for CVE-2026-38820

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Patches & Fixes for CVE-2026-38820 (1)

Same Patch Batch · openNDS · 2026-08-28 · 4 CVEs total

CVE-2026-38822 7.6 HIGH openNDS 11.0.0 前客户端脚本命令注入
CVE-2026-38821 7.1 HIGH openNDS 11.0.0 前堆缓冲区溢出漏洞
CVE-2026-38819 5.3 MEDIUM openNDS 11.0.0之前存在内存泄漏漏洞

IV. Related Vulnerabilities

Same product: openNDS
Same vendor: openNDS
Same weakness: CWE-78

V. Comments for CVE-2026-38820

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