CVE-2025-27852

MEDIUMPre-NVD 5.05.0—
EchelonGraph scoreMEDIUM confidence

Score 5.0 from GitHub Security Advisory published 2026-05-13. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 5.0; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
5.0EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.0Exploit: None knownExposed: 0

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

The locally served web site on the Garmin WDU (v1 1.4.6 and v2 5.0) allows a reflected cross site scripting (XSS) attack. This allows an attacker on the local network segment to execute arbitrary JavaScript code within the context of the WDU webpage. Full administrator level access to the device is possible. To initiate an exploit of this vulnerability, the victim must execute two actions: (1) view a specific URL served by the WDU, and (2) click an element on the rendered page.

CVSS v3
5.0
EG Score
5.0(medium)
EG Risk
23(Track)
EG Risk 23/100SSVC: 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
Severity50% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
4%
KEV
Not listed

Published

May 13, 2026

Last Modified

June 2, 2026

Advisory Details (2)

Auto-updated Jun 16, 2026
No patch confirmed yet.
generic

Garmin: EmpirBus WDUv2 Change History

https://www8.garmin.com/support/ch.jsp?product=010-02642-00
generic

Garmin Official Site

https://garmin.com

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 6× in last 7d / 34× 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.

Showing the most recent 100 of 221 total refreshes for this CVE.

  1. 2026-09-13 16:46 UTCEPSS rescore
  2. 2026-09-12 15:00 UTCEPSS rescore
  3. 2026-09-11 14:52 UTCEPSS rescore
  4. 2026-09-11 09:35 UTCEPSS rescore
  5. 2026-09-10 09:33 UTCEPSS rescore
  6. 2026-09-08 21:59 UTCEPSS rescore
  7. 2026-09-07 16:00 UTCEPSS rescore
  8. 2026-09-06 13:46 UTCEPSS rescore
  9. 2026-09-06 13:46 UTCEPSS rescore
  10. 2026-09-04 05:05 UTCEPSS rescore
  11. 2026-09-02 14:11 UTCEPSS rescore
  12. 2026-09-01 13:53 UTCEPSS rescore
  13. 2026-08-30 19:16 UTCEPSS rescore
  14. 2026-08-30 19:16 UTCEPSS rescore
  15. 2026-08-30 01:21 UTCEPSS rescore
  16. 2026-08-28 21:40 UTCEPSS rescore
  17. 2026-08-27 14:24 UTCEPSS rescore
  18. 2026-08-26 14:45 UTCEPSS rescore
  19. 2026-08-25 13:48 UTCEPSS rescore
  20. 2026-08-24 14:16 UTCEPSS rescore
  21. 2026-08-23 17:49 UTCEG score recompute
  22. 2026-08-23 17:49 UTCGHSA enrichment
  23. 2026-08-23 00:18 UTCEPSS rescore
  24. 2026-08-22 02:03 UTCEG score recompute
  25. 2026-08-22 02:03 UTCGHSA enrichment
Show 75 more
  1. 2026-08-21 23:48 UTCEPSS rescore
  2. 2026-08-20 19:47 UTCEG score recompute
  3. 2026-08-20 19:47 UTCGHSA enrichment
  4. 2026-08-19 17:03 UTCEPSS rescore
  5. 2026-08-18 13:47 UTCEPSS rescore
  6. 2026-08-17 13:46 UTCEPSS rescore
  7. 2026-08-17 10:30 UTCEG score recompute
  8. 2026-08-17 10:29 UTCGHSA enrichment
  9. 2026-08-16 14:55 UTCEPSS rescore
  10. 2026-08-16 04:01 UTCEG score recompute
  11. 2026-08-16 04:01 UTCGHSA enrichment
  12. 2026-08-16 02:13 UTCEPSS rescore
  13. 2026-08-15 01:29 UTCEPSS rescore
  14. 2026-08-15 00:47 UTCGHSA enrichment
  15. 2026-08-14 02:29 UTCEG score recompute
  16. 2026-08-14 02:29 UTCGHSA enrichment
  17. 2026-08-13 21:59 UTCEPSS rescore
  18. 2026-08-12 21:29 UTCEG score recompute
  19. 2026-08-12 21:29 UTCGHSA enrichment
  20. 2026-08-12 13:50 UTCEPSS rescore
  21. 2026-08-11 23:12 UTCEG score recompute
  22. 2026-08-11 23:12 UTCGHSA enrichment
  23. 2026-08-11 00:55 UTCEG score recompute
  24. 2026-08-11 00:55 UTCGHSA enrichment
  25. 2026-08-10 23:59 UTCEPSS rescore
  26. 2026-08-10 00:10 UTCEG score recompute
  27. 2026-08-10 00:10 UTCGHSA enrichment
  28. 2026-08-09 13:45 UTCEPSS rescore
  29. 2026-08-09 01:53 UTCEG score recompute
  30. 2026-08-09 01:53 UTCGHSA enrichment
  31. 2026-08-07 18:14 UTCEG score recompute
  32. 2026-08-07 18:14 UTCGHSA enrichment
  33. 2026-08-07 16:26 UTCEPSS rescore
  34. 2026-08-06 19:57 UTCEG score recompute
  35. 2026-08-06 19:57 UTCGHSA enrichment
  36. 2026-08-06 13:46 UTCEPSS rescore
  37. 2026-08-05 21:40 UTCEG score recompute
  38. 2026-08-05 21:40 UTCGHSA enrichment
  39. 2026-08-05 19:16 UTCEPSS rescore
  40. 2026-08-04 15:09 UTCEPSS rescore
  41. 2026-08-04 10:37 UTCEPSS rescore
  42. 2026-08-03 19:08 UTCEG score recompute
  43. 2026-08-03 19:08 UTCGHSA enrichment
  44. 2026-08-03 10:35 UTCEPSS rescore
  45. 2026-08-02 17:53 UTCEG score recompute
  46. 2026-08-02 17:53 UTCGHSA enrichment
  47. 2026-08-02 02:26 UTCEPSS rescore
  48. 2026-08-01 19:35 UTCEG score recompute
  49. 2026-08-01 19:35 UTCGHSA enrichment
  50. 2026-08-01 04:15 UTCEPSS rescore
  51. 2026-07-30 16:27 UTCEPSS rescore
  52. 2026-07-30 01:29 UTCEPSS rescore
  53. 2026-07-28 15:35 UTCEPSS rescore
  54. 2026-07-27 14:12 UTCEPSS rescore
  55. 2026-07-26 14:53 UTCEPSS rescore
  56. 2026-07-25 14:17 UTCEPSS rescore
  57. 2026-07-24 14:17 UTCEPSS rescore
  58. 2026-07-23 02:52 UTCEG score recompute
  59. 2026-07-22 14:07 UTCEPSS rescore
  60. 2026-07-22 14:07 UTCEPSS rescore
  61. 2026-07-21 15:24 UTCEPSS rescore
  62. 2026-07-21 15:24 UTCEPSS rescore
  63. 2026-07-20 17:07 UTCEPSS rescore
  64. 2026-07-19 14:30 UTCEPSS rescore
  65. 2026-07-19 14:30 UTCEPSS rescore
  66. 2026-07-18 10:04 UTCEPSS rescore
  67. 2026-07-18 10:04 UTCEPSS rescore
  68. 2026-07-16 17:02 UTCEPSS rescore
  69. 2026-07-15 16:57 UTCEPSS rescore
  70. 2026-07-15 16:57 UTCEPSS rescore
  71. 2026-07-15 01:59 UTCEPSS rescore
  72. 2026-07-15 01:59 UTCEPSS rescore
  73. 2026-07-13 22:29 UTCEPSS rescore
  74. 2026-07-13 06:12 UTCEPSS rescore
  75. 2026-07-13 06:12 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2025-27852?
CVE-2025-27852 is a medium vulnerability published on May 13, 2026. The locally served web site on the Garmin WDU (v1 1.4.6 and v2 5.0) allows a reflected cross site scripting (XSS) attack. This allows an attacker on the local network segment to execute arbitrary JavaScript code within the context of the WDU webpage. Full administrator level access to the device is…
When was CVE-2025-27852 disclosed?
CVE-2025-27852 was first published in the National Vulnerability Database on May 13, 2026, with the most recent update on June 2, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-27852 actively exploited?
CVE-2025-27852 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 96.3% of all scored CVEs.
What is the CVSS score of CVE-2025-27852?
CVE-2025-27852 has a CVSS v3.1 base score of 5.0 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2025-27852?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-27852, 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.

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