CVE-2025-52909

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-04-07. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.8Exploit: None knownExposed: 0

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

An issue was discovered in the Wi-Fi driver in Samsung Mobile Processor and Wearable Processor Exynos 980, 850, 1280, 1330, 1380, 1480, 1580, W920, W930, and W1000. Incorrect Handling of the NL80211 vendor command leads to a buffer overflow via a certain ioctl message, issue 2 of 2.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
59(Track)
EG Risk 59/100SSVC: 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
Severity98% × 45%
Exploitation1% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
41%
KEV
Not listed

Published

April 7, 2026

Last Modified

April 13, 2026

Advisory Details (2)

Auto-updated Sep 9, 2026
No patch confirmed yet.
generic

CVE-2025-52909 | Support | Samsung Semiconductor Global

https://semiconductor.samsung.com/support/quality-support/product-security-updates/cve-2025-52909/
generic

Product Security Update | Support | Samsung Semiconductor Global

https://semiconductor.samsung.com/support/quality-support/product-security-updates/

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 6× in last 7d / 29× 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 237 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 09:36 UTCEPSS rescore
  5. 2026-09-10 09:34 UTCEPSS rescore
  6. 2026-09-08 21:59 UTCEPSS rescore
  7. 2026-09-07 16:00 UTCEPSS rescore
  8. 2026-09-06 13:47 UTCEPSS rescore
  9. 2026-09-05 15:28 UTCEPSS rescore
  10. 2026-09-04 05:06 UTCEPSS rescore
  11. 2026-09-02 14:11 UTCEPSS rescore
  12. 2026-09-01 13:53 UTCEPSS rescore
  13. 2026-09-01 04:38 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. 2026-08-24 09:22 UTCEPSS rescore
  22. 2026-08-23 00:18 UTCEPSS rescore
  23. 2026-08-21 23:48 UTCEPSS rescore
  24. 2026-08-20 22:54 UTCEPSS rescore
  25. 2026-08-19 17:03 UTCEPSS rescore
Show 75 more
  1. 2026-08-18 13:47 UTCEPSS rescore
  2. 2026-08-17 13:46 UTCEPSS rescore
  3. 2026-08-16 14:55 UTCEPSS rescore
  4. 2026-08-16 12:25 UTCGHSA enrichment
  5. 2026-08-16 08:18 UTCEG score recompute
  6. 2026-08-16 08:18 UTCGHSA enrichment
  7. 2026-08-16 02:13 UTCEPSS rescore
  8. 2026-08-15 01:29 UTCEPSS rescore
  9. 2026-08-14 22:51 UTCGHSA enrichment
  10. 2026-08-14 18:44 UTCGHSA enrichment
  11. 2026-08-14 13:43 UTCGHSA enrichment
  12. 2026-08-14 09:36 UTCGHSA enrichment
  13. 2026-08-14 05:28 UTCEG score recompute
  14. 2026-08-14 05:28 UTCGHSA enrichment
  15. 2026-08-13 21:59 UTCEPSS rescore
  16. 2026-08-13 09:41 UTCGHSA enrichment
  17. 2026-08-13 03:57 UTCGHSA enrichment
  18. 2026-08-12 23:49 UTCGHSA enrichment
  19. 2026-08-12 19:42 UTCEG score recompute
  20. 2026-08-12 19:42 UTCGHSA enrichment
  21. 2026-08-12 13:50 UTCEPSS rescore
  22. 2026-08-12 13:50 UTCEPSS rescore
  23. 2026-08-12 00:15 UTCGHSA enrichment
  24. 2026-08-11 19:54 UTCEG score recompute
  25. 2026-08-11 19:54 UTCGHSA enrichment
  26. 2026-08-11 13:42 UTCEPSS rescore
  27. 2026-08-11 07:22 UTCGHSA enrichment
  28. 2026-08-11 03:15 UTCEG score recompute
  29. 2026-08-11 03:15 UTCGHSA enrichment
  30. 2026-08-10 23:59 UTCEPSS rescore
  31. 2026-08-10 09:53 UTCGHSA enrichment
  32. 2026-08-10 05:45 UTCGHSA enrichment
  33. 2026-08-10 01:38 UTCGHSA enrichment
  34. 2026-08-09 21:30 UTCGHSA enrichment
  35. 2026-08-09 17:23 UTCEG score recompute
  36. 2026-08-09 17:23 UTCGHSA enrichment
  37. 2026-08-09 13:46 UTCEPSS rescore
  38. 2026-08-09 13:15 UTCGHSA enrichment
  39. 2026-08-09 09:06 UTCGHSA enrichment
  40. 2026-08-09 04:58 UTCEG score recompute
  41. 2026-08-09 04:58 UTCGHSA enrichment
  42. 2026-08-08 16:36 UTCEPSS rescore
  43. 2026-08-08 11:45 UTCGHSA enrichment
  44. 2026-08-08 07:27 UTCGHSA enrichment
  45. 2026-08-08 03:20 UTCGHSA enrichment
  46. 2026-08-07 23:12 UTCGHSA enrichment
  47. 2026-08-07 19:05 UTCEG score recompute
  48. 2026-08-07 19:05 UTCGHSA enrichment
  49. 2026-08-07 16:26 UTCEPSS rescore
  50. 2026-08-07 14:58 UTCGHSA enrichment
  51. 2026-08-06 17:36 UTCEG score recompute
  52. 2026-08-06 17:36 UTCGHSA enrichment
  53. 2026-08-06 13:46 UTCEPSS rescore
  54. 2026-08-06 13:00 UTCGHSA enrichment
  55. 2026-08-06 08:23 UTCGHSA enrichment
  56. 2026-08-06 04:08 UTCGHSA enrichment
  57. 2026-08-06 00:01 UTCEG score recompute
  58. 2026-08-06 00:01 UTCGHSA enrichment
  59. 2026-08-05 19:16 UTCEPSS rescore
  60. 2026-08-04 15:09 UTCEPSS rescore
  61. 2026-08-04 15:09 UTCEPSS rescore
  62. 2026-08-04 10:37 UTCEPSS rescore
  63. 2026-08-04 02:33 UTCGHSA enrichment
  64. 2026-08-03 22:24 UTCEG score recompute
  65. 2026-08-03 22:24 UTCGHSA enrichment
  66. 2026-08-03 10:35 UTCEPSS rescore
  67. 2026-08-03 02:43 UTCGHSA enrichment
  68. 2026-08-02 22:35 UTCGHSA enrichment
  69. 2026-08-02 18:27 UTCGHSA enrichment
  70. 2026-08-02 14:19 UTCEG score recompute
  71. 2026-08-02 14:19 UTCGHSA enrichment
  72. 2026-08-02 02:26 UTCEPSS rescore
  73. 2026-08-01 04:15 UTCEPSS rescore
  74. 2026-07-30 16:27 UTCEPSS rescore
  75. 2026-07-30 01:30 UTCEPSS rescore

Frequently asked(5)

What is CVE-2025-52909?
CVE-2025-52909 is a critical vulnerability published on April 7, 2026. An issue was discovered in the Wi-Fi driver in Samsung Mobile Processor and Wearable Processor Exynos 980, 850, 1280, 1330, 1380, 1480, 1580, W920, W930, and W1000. Incorrect Handling of the NL80211 vendor command leads to a buffer overflow via a certain ioctl message, issue 2 of 2.
When was CVE-2025-52909 disclosed?
CVE-2025-52909 was first published in the National Vulnerability Database on April 7, 2026, with the most recent update on April 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-52909 actively exploited?
CVE-2025-52909 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 58.8% of all scored CVEs.
What is the CVSS score of CVE-2025-52909?
CVE-2025-52909 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2025-52909?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-52909, 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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