THREAT OPS › Threat News › CPDLC over ATN-B1 Vulnerabilities
CPDLC over ATN-B1 Vulnerabilities
<p><a href="https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-219-01.json"><strong>View CSAF</strong></a></p> <h2>Summary</h2> <p><strong>ATN-B1 CPDLC relies on legacy clear text unauthenticated radio frequency links. Research demonstrates that these characteristics allow unauthorized message injection, denial-of-service conditions, and forced session resets. These vuln
MITRE ATT&CK techniques
- VulnerabilitiesT1588.006
Indicators of compromise
- CVE-2025-71409cve
- CVE-2025-71410cve
- CVE-2025-71411cve
- CVE-2025-71412cve
- CVE-2025-71413cve
- https://www.cve.org/CVERecord?id=CVE-2025-71409url
- https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:Lurl
- https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:N/VI:H/VA:L/SC:N/SI:H/SA:Lurl
- https://www.cve.org/CVERecord?id=CVE-2025-71410url
- https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:Hurl
- https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:Nurl
- https://www.cve.org/CVERecord?id=CVE-2025-71411url
- https://www.cve.org/CVERecord?id=CVE-2025-71412url
- https://www.cve.org/CVERecord?id=CVE-2025-71413url
Original source: https://www.cisa.gov/news-events/ics-advisories/icsa-26-219-01
Same event, other sources
- CPDLC over ATN-B1 Vulnerabilitiescisa_advisories · 2026-08-07