CVE-2025-71413 In CPDLC, Malformed or Out of Sequence Frames Can Cause Resets
Remote attackers can send malformed frames to cause repeated resets, increasing workload and reducing situational awareness in aviation systems.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-71413?
CVE-2025-71413 is a medium-severity denial of service vulnerability in ATN-B1 CPDLC, published on 7 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Malformed or out-of-sequence frames at the Aviation Very High Frequency Link Control X.25 layers cause repeated resets which may result in increased workload and reduced situational awareness. This type of attack can be carried out remotely over radio frequency.
Weakness: CWE-754
Which versions are affected by CVE-2025-71413?
How do I fix CVE-2025-71413?
No fix has been published for CVE-2025-71413 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2025-71413 being exploited?
There is no known exploitation of CVE-2025-71413 in the wild and no public exploit code.
Sources
Also known as GHSA-hppf-fwr2-8p5x.