CVE-2023-38318

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2024-01-26 · updated 2026-06-17
Weakness: CWE-78

Description

An issue was discovered in OpenNDS before 10.1.3. It fails to sanitize the gateway FQDN entry in the configuration file, allowing attackers that have direct or indirect access to this file to execute arbitrary OS commands.

Affected products

openNDS: before 10.1.3 — fixed in 10.1.3

How to fix

Upgrade to a fixed version: openNDS 10.1.3. Check the vendor advisory for mitigations.

References

https://github.com/openNDS/openNDS/blob/master/ChangeLog
https://github.com/openNDS/openNDS/releases/tag/v10.1.3
https://openwrt.org/docs/guide-user/services/captive-portal/opennds
https://www.forescout.com/resources/sierra21-vulnerabilities
https://github.com/openNDS/openNDS/blob/master/ChangeLog
https://github.com/openNDS/openNDS/releases/tag/v10.1.3
https://openwrt.org/docs/guide-user/services/captive-portal/opennds
https://www.forescout.com/resources/sierra21-vulnerabilities

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