CVE-2025-29449: An issue in twonav v.2.1.18-20241105 allows a remote attacker to obtain sensitive information via the link ide

This week

MEDIUM 6.5REMOTEDOWNGRADE

CVE-2025-29449 is a medium-severity flaw (CVSS 6.5) affecting twonav. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue in twonav v.2.1.18-20241105 allows a remote attacker to obtain sensitive information via the link identification function.

Why this priority

Public exploit reference
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 67%)
CISA exploited list	No
Weakness	CWE-918
Published	2025-04-17
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: lm21

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

Am I affected?

Timeline

2025-04-17 21:15 UTCPublished CVE record published
2026-06-17 09:05 UTCUpdated Record last modified

lm21 twonav DOWNGRADE

Affected: 2.1.18-20241105

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.1.18-20241105

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2.1.18-20241105 (Debian / Ubuntu)

apt-cache madison twonav sudo apt install twonav=<VERSION_BEFORE_2.1.18-20241105> sudo apt-mark hold twonav

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

dnf --showduplicates list twonav sudo dnf downgrade twonav-<VERSION_BEFORE_2.1.18-20241105> sudo dnf versionlock add twonav

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-2025-29449?

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

Is CVE-2025-29449 being exploited?

CVE-2025-29449 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-2025-29449 affect?

CVE-2025-29449 affects twonav. Severity is medium (CVSS 6.5). An issue in twonav v.2.1.18-20241105 allows a remote attacker to obtain sensitive information via the link identification function.

How urgent is CVE-2025-29449?

Priority 41/100. Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2025-29450 MEDIUM 6.5 DOWNGRADE An issue in twonav v.2.1.18-20241105 allows a remote attacker to obtain sensitive information via the site set

References

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