CVE-2026-1668

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: HIGH) published 2026-03-13. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 9.8Exploit: Elevated riskExposed: 0

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

The web interface on multiple Omada switches does not adequately validate certain external inputs, which may lead to out-of-bound memory access when processing crafted requests. Under specific conditions, this flaw may result in unintended command execution.An unauthenticated attacker with network access to the affected interface may cause memory corruption, service instability, or information disclosure. Successful exploitation may allow remote code execution or denial-of-service.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
44(Track)
EG Risk 44/100SSVC: 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%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
60%
KEV
Not listed

Published

March 13, 2026

Last Modified

June 17, 2026

Advisory Details (4)

Auto-updated Sep 14, 2026
No patch confirmed yet.
generic

Product Support | Omada Network Support

https://support.omadanetworks.com/us/product/
generic

Security Advisory on Input Validation Vulnerability on Multiple Omada Switches (CVE-2026-1668) | Omada Network Support

https://support.omadanetworks.com/us/document/118794/
generic

Firmware Download | Omada Network Support

https://support.omadanetworks.com/en/download/firmware/
generic

Firmware Download | Omada Network Support

https://support.omadanetworks.com/au/download/firmware/

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 4× in last 7d / 23× 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 218 total refreshes for this CVE.

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

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 GitHub PoC). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoCtangrs/cve-2026-1668-poc
    First seen Apr 6, 2026

    Proof-of-concept exploit for CVE-2026-1668.

    Open source ↗

Frequently asked(5)

What is CVE-2026-1668?
CVE-2026-1668 is a critical vulnerability published on March 13, 2026. The web interface on multiple Omada switches does not adequately validate certain external inputs, which may lead to out-of-bound memory access when processing crafted requests. Under specific conditions, this flaw may result in unintended command execution.<br>An unauthenticated attacker with…
When was CVE-2026-1668 disclosed?
CVE-2026-1668 was first published in the National Vulnerability Database on March 13, 2026, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-1668 actively exploited?
CVE-2026-1668 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 39.6% of all scored CVEs.
What is the CVSS score of CVE-2026-1668?
CVE-2026-1668 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-1668?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-1668, 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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