CVE-2026-36610

MEDIUMPre-NVD 5.95.9—
EchelonGraph scoreMEDIUM confidence

Score 5.9 from GitHub Security Advisory published 2026-06-03. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 5.9; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
5.9EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.9Exploit: None knownExposed: 0

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

Mercusys AC12G (EU) V1 with firmware AC12G(EU)_V1_200909 transmits DDNS credentials over plaintext HTTP with only Base64 encoding. The firmware contains no TLS implementation, allowing man-in-the-middle interception of DDNS service credentials.

CVSS v3
5.9
EG Score
5.9(medium)
EG Risk
27(Track)
EG Risk 27/100SSVC: 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
Severity59% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
4%
KEV
Not listed

Published

June 3, 2026

Last Modified

July 22, 2026

Advisory Details (1)

Auto-updated Jun 13, 2026
No patch confirmed yet.
generic

MERCUSYS-AC12G/advisories/CVE-2026-36610.md at master · Tymbark7372/MERCUSYS-AC12G · GitHub

https://github.com/Tymbark7372/MERCUSYS-AC12G/blob/master/advisories/CVE-2026-36610.md

Vendor Advisories for CVE-2026-36610(1)

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

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 9× in last 7d / 36× 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 194 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-36610?
CVE-2026-36610 is a medium vulnerability published on June 3, 2026. Mercusys AC12G (EU) V1 with firmware AC12G(EU)V1200909 transmits DDNS credentials over plaintext HTTP with only Base64 encoding. The firmware contains no TLS implementation, allowing man-in-the-middle interception of DDNS service credentials.
When was CVE-2026-36610 disclosed?
CVE-2026-36610 was first published in the National Vulnerability Database on June 3, 2026, with the most recent update on July 22, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-36610 actively exploited?
CVE-2026-36610 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 95.7% of all scored CVEs.
What is the CVSS score of CVE-2026-36610?
CVE-2026-36610 has a CVSS v3.1 base score of 5.9 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-36610?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-36610, 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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