What’s Vulnerable › Vulnerabilities

CVE-2023-41102

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-11-17 · updated 2026-06-17
• Weakness: CWE-401

Description

An issue was discovered in the captive portal in OpenNDS before version 10.1.3. It has multiple memory leaks due to not freeing up allocated memory. This may lead to a Denial-of-Service condition due to the consumption of all available memory. Affected OpenNDS before version 10.1.3 fixed in OpenWrt master and OpenWrt 23.05 on 23. November by updating OpenNDS to version 10.2.0.

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/commit/31dbf4aa069c5bb39a7926d86036ce3b04312b51
• https://github.com/openNDS/openNDS/releases/tag/v10.1.3
• https://github.com/openwrt/routing/commit/ad787a920ccb9dacf5b01d52bce36ac14a5ecd89
• https://source.sierrawireless.com/resources/security-bulletins/sierra-wireless-technical-bulletin---swi-psa-2023-006-v4/#sthash.2vJg3d85.rwx82g1C.dpbs
• https://github.com/openNDS/openNDS/commit/31dbf4aa069c5bb39a7926d86036ce3b04312b51
• https://github.com/openNDS/openNDS/releases/tag/v10.1.3
• https://github.com/openwrt/routing/commit/ad787a920ccb9dacf5b01d52bce36ac14a5ecd89
• https://source.sierrawireless.com/resources/security-bulletins/sierra-wireless-technical-bulletin---swi-psa-2023-006-v4/#sthash.2vJg3d85.rwx82g1C.dpbs

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