What’s Vulnerable › Vulnerabilities

CVE-2025-71411: In CPDLC, Broadcast Control Frames Can Disconnect Multiple Aircraft Simultaneously

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-07 · updated 2026-09-29
• Weakness: CWE-770

Description

Broadcast control frames can disconnect multiple aircraft simultaneously leading to delayed clearances and air traffic controller overload. This type of attack can be carried out remotely over radio frequency.

Affected products

• ATN-B1 CPDLC: all versions

References

• https://www.cisa.gov/news-events/ics-advisories/icsa-26-219-01

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