CVE-2024-25763: openNDS 10.2.0 is vulnerable to Use-After-Free via /openNDS/src/auth.c.

Routine

MEDIUM 5.5DOWNGRADE

CVE-2024-25763 is a medium-severity flaw (CVSS 5.5) affecting opennds. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

openNDS 10.2.0 is vulnerable to Use-After-Free via /openNDS/src/auth.c.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.5% (top 60%)
CISA exploited list	No
Weakness	CWE-416
Published	2024-02-26
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: opennds

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-02-26 16:27 UTCPublished CVE record published
2026-06-17 07:16 UTCUpdated Record last modified

opennds opennds DOWNGRADE

Affected: 10.2.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 10.2.0

1. Check installed version

apt-cache policy opennds || rpm -q opennds || opennds --version

2. No fixed release: DOWNGRADE to a release before 10.2.0 (Debian / Ubuntu)

apt-cache madison opennds sudo apt install opennds=<VERSION_BEFORE_10.2.0> sudo apt-mark hold opennds

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list opennds sudo dnf downgrade opennds-<VERSION_BEFORE_10.2.0> sudo dnf versionlock add opennds

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-25763?

opennds: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2024-25763 being exploited?

CVE-2024-25763 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-25763 affect?

CVE-2024-25763 affects opennds. Severity is medium (CVSS 5.5). openNDS 10.2.0 is vulnerable to Use-After-Free via /openNDS/src/auth.c.

How urgent is CVE-2024-25763?

Priority 34/100. Public exploit reference

Related CVEs

CVE-2023-41102 HIGH 7.5 UPGRADE An issue was discovered in the captive portal in OpenNDS before version 10.1.3
CVE-2023-41101 CRITICAL 9.8 UPGRADE An issue was discovered in the captive portal in OpenNDS before version 10.1.3
CVE-2023-38323 CRITICAL 9.8 UPGRADE An issue was discovered in OpenNDS before 10.1.3
CVE-2023-38319 CRITICAL 9.8 UPGRADE An issue was discovered in OpenNDS before 10.1.3
CVE-2023-38318 CRITICAL 9.8 UPGRADE An issue was discovered in OpenNDS before 10.1.3

References

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