CVE-2026-38819

Memory Exhaustion Vulnerability in openNDS Allows Unauthenticated Attacker to Drain System Memory

Published Aug 28, 2026 CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
Description
Multiple memory leaks in openNDS before 11.0.0 allow an unauthenticated attacker on the captive portal network to exhaust all available memory on the device within minutes.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Memory Exhaustion Vulnerability in openNDS Allows Unauthenticated Attacker to Drain System Memory
Type Values Removed Values Added
Description Multiple memory leaks in openNDS before 11.0.0 allow an unauthenticated attacker on the captive portal network to exhaust all available memory on the device within minutes.
First Time appeared Opennds
Opennds opennds
Weaknesses CWE-401
CPEs cpe:2.3:a:opennds:opennds:*:*:*:*:*:*:*:*
Vendors & Products Opennds
Opennds opennds
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Aug 28, 2026, 4:21 PM
Reserved
Apr 6, 2026, 10:01 AM
Status
Deferred
Published
Aug 28, 2026, 2:16 AM
Modified
Sep 9, 2026, 3:54 PM