CVE-2026-51844

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-06-19. 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: 1%CVSS: 9.8Exploit: None knownExposed: 0

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

Tenda AC7 v15.03.06.44 contains a stack buffer overflow vulnerability in the /goform/AdvSetMacMtuWan interface via the cloneType parameter.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
49(Track)
EG Risk 49/100SSVC: 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%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
45%
KEV
Not listed

Published

June 19, 2026

Last Modified

July 9, 2026

Advisory Details (1)

Auto-updated Sep 5, 2026
No patch confirmed yet.
generic

CVE ID Request (Tenda AC7 – AdvSetMacMtuWan CloneType Stack Overflow) – 云上KDEV

https://www.kdev.site/cve-request_006/

Vendor Advisories for CVE-2026-51844(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 5× in last 7d / 89× 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 382 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-51844?
CVE-2026-51844 is a critical vulnerability published on June 19, 2026. Tenda AC7 v15.03.06.44 contains a stack buffer overflow vulnerability in the /goform/AdvSetMacMtuWan interface via the cloneType parameter.
When was CVE-2026-51844 disclosed?
CVE-2026-51844 was first published in the National Vulnerability Database on June 19, 2026, with the most recent update on July 9, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-51844 actively exploited?
CVE-2026-51844 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 55.5% of all scored CVEs.
What is the CVSS score of CVE-2026-51844?
CVE-2026-51844 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-51844?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-51844, 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

Explore the affected products and dependency analysis for CVE-2026-51844

Explore →

Is Your Infrastructure Affected by CVE-2026-51844?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs