HIGH 7.1 NVD
CVE-2026-38821
A heap-based buffer overflow vulnerability exists in openNDS before 11.0.0 that allows an unauthenticated attacker on the captive portal network to crash the op
A heap-based buffer overflow vulnerability exists in openNDS before 11.0.0 that allows an unauthenticated attacker on the captive portal network to crash the openNDS daemon (denial of service) and potentially achieve remote code execution. This is in http_microhttpd.c.
References
This high severity vulnerability with a CVSS score of 7.1 was published on 2026-08-28 via NVD.
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