CVE-2026-38821

Summary

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.

Affected Software

VendorProductVersion RangeStatus
openNDSopenNDS0 < 11.0.0affected

Weaknesses

  • CWE-122: CWE-122 Heap-based Buffer Overflow

References