Description
An issue was discovered in OpenNDS Captive Portal before version 10.1.2. It has a try_to_authenticate NULL pointer dereference that can be triggered with a crafted GET HTTP with a missing client token query string parameter. Triggering this issue results in crashing OpenNDS (a Denial-of-Service condition). Affected OpenNDS Captive Portal before version 10.1.2 fixed in OpenWrt master, OpenWrt 23.05 and OpenWrt 22.03 on 28. August 2023 by updating OpenNDS to version 10.1.3.
References (3)
Core 3
Core References
Release Notes, Vendor Advisory
https://github.com/openNDS/openNDS/releases/tag/v10.1.2
Scores
CVSS v3
7.5
EPSS
0.0023
EPSS Percentile
46.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-476
Status
published
Products (1)
opennds/captive_portal
< 10.1.2
Published
Nov 17, 2023
Tracked Since
Feb 18, 2026