CVE-2025-71409

HIGHPre-NVD 7.17.1—
EchelonGraph scoreHIGH confidence

Score 7.1 from GitHub Security Advisory (severity: HIGH) published 2026-08-07. a secondary CVSS source baseline 7.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
7.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.1Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

Lack of authentication for Very High Frequency Data Link messages allows rogue ground stations to inject CPDLC messages leading to unexpected or misleading clearances and potential pilot confusion. This type of attack can be carried out remotely over radio frequency.

CVSS v3
7.1
EG Score
7.1(high)
EG Risk
32(Track)
EG Risk 32/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity71% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
10%
KEV
Not listed

Published

August 7, 2026

Last Modified

August 10, 2026

Advisory Details (1)

Auto-updated Aug 7, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: cisa.
cisa Patch Available🔴 Active Exploitation

CPDLC over ATN-B1 Vulnerabilities | CISA

CPDLC over ATN-B1 Vulnerabilities | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

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

Vendor Advisories for CVE-2025-71409(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 28× in last 7d / 58× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-08-20 22:55 UTCEPSS rescore
  2. 2026-08-20 21:37 UTCGHSA enrichment
  3. 2026-08-20 09:31 UTCGHSA enrichment
  4. 2026-08-19 21:26 UTCEG score recompute
  5. 2026-08-19 21:26 UTCGHSA enrichment
  6. 2026-08-19 17:03 UTCEPSS rescore
  7. 2026-08-19 09:06 UTCGHSA enrichment
  8. 2026-08-18 20:56 UTCEG score recompute
  9. 2026-08-18 20:56 UTCGHSA enrichment
  10. 2026-08-18 13:48 UTCEPSS rescore
  11. 2026-08-18 08:51 UTCGHSA enrichment
  12. 2026-08-17 20:46 UTCEG score recompute
  13. 2026-08-17 20:46 UTCGHSA enrichment
  14. 2026-08-17 13:46 UTCEPSS rescore
  15. 2026-08-17 08:40 UTCGHSA enrichment
  16. 2026-08-16 20:35 UTCEG score recompute
  17. 2026-08-16 20:35 UTCGHSA enrichment
  18. 2026-08-16 14:55 UTCEPSS rescore
  19. 2026-08-16 08:29 UTCEG score recompute
  20. 2026-08-16 08:29 UTCGHSA enrichment
  21. 2026-08-16 02:14 UTCEPSS rescore
  22. 2026-08-15 20:24 UTCGHSA enrichment
  23. 2026-08-15 08:18 UTCEG score recompute
  24. 2026-08-15 08:18 UTCGHSA enrichment
  25. 2026-08-15 01:30 UTCEPSS rescore
Show 33 more
  1. 2026-08-14 20:12 UTCGHSA enrichment
  2. 2026-08-14 08:07 UTCEG score recompute
  3. 2026-08-14 08:07 UTCGHSA enrichment
  4. 2026-08-13 22:00 UTCEPSS rescore
  5. 2026-08-13 20:01 UTCGHSA enrichment
  6. 2026-08-13 07:55 UTCGHSA enrichment
  7. 2026-08-12 19:50 UTCEG score recompute
  8. 2026-08-12 19:50 UTCGHSA enrichment
  9. 2026-08-12 13:50 UTCEPSS rescore
  10. 2026-08-12 07:45 UTCGHSA enrichment
  11. 2026-08-11 19:39 UTCEG score recompute
  12. 2026-08-11 19:39 UTCGHSA enrichment
  13. 2026-08-11 13:42 UTCEPSS rescore
  14. 2026-08-11 07:33 UTCEG score recompute
  15. 2026-08-11 07:33 UTCGHSA enrichment
  16. 2026-08-10 23:59 UTCEPSS rescore
  17. 2026-08-10 19:28 UTCEG score recompute
  18. 2026-08-10 19:28 UTCGHSA enrichment
  19. 2026-08-10 18:36 UTCEG score recompute
  20. 2026-08-10 18:36 UTCGHSA enrichment
  21. 2026-08-10 07:56 UTCGHSA enrichment
  22. 2026-08-09 19:50 UTCEG score recompute
  23. 2026-08-09 19:50 UTCGHSA enrichment
  24. 2026-08-09 13:46 UTCEPSS rescore
  25. 2026-08-09 07:45 UTCGHSA enrichment
  26. 2026-08-08 19:40 UTCEG score recompute
  27. 2026-08-08 19:40 UTCGHSA enrichment
  28. 2026-08-08 16:36 UTCEPSS rescore
  29. 2026-08-08 07:34 UTCEG score recompute
  30. 2026-08-08 07:34 UTCGHSA enrichment
  31. 2026-08-07 19:28 UTCEG score recompute
  32. 2026-08-07 19:12 UTCEG score recompute
  33. 2026-08-07 19:12 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2025-71409?
CVE-2025-71409 is a high vulnerability published on August 7, 2026. Lack of authentication for Very High Frequency Data Link messages allows rogue ground stations to inject CPDLC messages leading to unexpected or misleading clearances and potential pilot confusion. This type of attack can be carried out remotely over radio frequency.
When was CVE-2025-71409 disclosed?
CVE-2025-71409 was first published in the National Vulnerability Database on August 7, 2026, with the most recent update on August 10, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-71409 actively exploited?
CVE-2025-71409 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 89.8% of all scored CVEs.
What is the CVSS score of CVE-2025-71409?
CVE-2025-71409 has a CVSS v3 base score of 7.1 (NVD).
How do I remediate CVE-2025-71409?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-71409, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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