CVE-2026-31267

MEDIUMPre-NVD 5.75.7—
EchelonGraph scoreMEDIUM confidence

Score 5.7 from GitHub Security Advisory published 2026-07-09. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 5.7; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
5.7EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.7Exploit: None knownExposed: 0

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

Mercusys MW302R MW302R(EU)_V1_1.4.10 Build 231023 is vulnerable to Buffer Overflow in the administrative web interface. A stack buffer overflow vulnerability in the administrative web interface allows an authenticated attacker with administrative privileges to trigger a system crash by sending a specially crafted request. The vulnerability results in denial of service through control flow manipulation to an arbitrary instruction address.

CVSS v3
5.7
EG Score
5.7(medium)
EG Risk
26(Track)
EG Risk 26/100SSVC: 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
Severity57% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
24%
KEV
Not listed

Published

July 9, 2026

Last Modified

July 10, 2026

Advisory Details (2)

Auto-updated Jul 10, 2026
Patch available.
generic Patch Available

CVE-2026-31267.md · GitHub

https://gist.github.com/BarrYPL/13dcd071673866cbbfaaa05085b98cf3
generic

> /BarrY's Blog$

https://barry-dev.xyz/about

Vendor Advisories for CVE-2026-31267(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 15× in last 7d / 80× 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 133 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-31267?
CVE-2026-31267 is a medium vulnerability published on July 9, 2026. Mercusys MW302R MW302R(EU)V11.4.10 Build 231023 is vulnerable to Buffer Overflow in the administrative web interface. A stack buffer overflow vulnerability in the administrative web interface allows an authenticated attacker with administrative privileges to trigger a system crash by sending a…
When was CVE-2026-31267 disclosed?
CVE-2026-31267 was first published in the National Vulnerability Database on July 9, 2026, with the most recent update on July 10, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-31267 actively exploited?
CVE-2026-31267 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 76.2% of all scored CVEs.
What is the CVSS score of CVE-2026-31267?
CVE-2026-31267 has a CVSS v3.1 base score of 5.7 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-31267?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-31267, 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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