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High severity7.1NVD Advisory· Published Aug 28, 2026

CVE-2026-38821

CVE-2026-38821

Description

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

2
  • OpenNDS/Openndsreferences2 versions
    (expand)+ 1 more
    • (no CPE)
    • (no CPE)range: <11.0.0

Patches

Vulnerability mechanics

References

1

News mentions

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