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CVE-2026-38821

openNDS

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.

CVSS 7.1EPSS 0.201%Risk 0.72
View source
Published
2026-08-28 02:16:21
Affected versions
<11.0.0
Type
Library
Last modified
2026-08-28 02:16:21
Vector
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L