CVE-2026-36356

CRITICALPre-NVD 9.19.1—
EchelonGraph scoreMEDIUM confidence

Score 9.1 from GitHub Security Advisory (severity: CRITICAL) published 2026-05-05. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 9.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Elevated
9.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 14%CVSS: 9.1Exploit: Elevated riskExposed: 0

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

The GoAhead web server on MeiG Smart FORGE_SLT711 devices (firmware MDM9607.LE.1.0-00110-STD.PROD-1) allows unauthenticated OS command injection via the /action/SetRemoteAccessCfg endpoint.

CVSS v3
9.1
EG Score
9.1(medium)
EG Risk
72(Attend)
EG Risk 72/100SSVC: Attend

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
Severity91% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
14%
EPSS %ILE
96%
KEV
Not listed

Published

May 5, 2026

Last Modified

July 5, 2026

Advisory Details (1)

Auto-updated Sep 8, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

GitHub - totekuh/CVE-2026-36356: CVE-2026-36356: MeiG Smart FORGE_SLT711 GoAhead - Unauthenticated OS Command Injection (RCE as root) · GitHub

https://github.com/totekuh/CVE-2026-36356

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 6× in last 7d / 28× 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 265 total refreshes for this CVE.

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

Publicly available exploits

(1 reference)

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

  • Exploit-DBEDB-52581
    First seen May 27, 2026

    MeiG Smart FORGE_SLT711 - OS Command Injection

    Open source ↗

Frequently asked(5)

What is CVE-2026-36356?
CVE-2026-36356 is a critical vulnerability published on May 5, 2026. The GoAhead web server on MeiG Smart FORGE_SLT711 devices (firmware MDM9607.LE.1.0-00110-STD.PROD-1) allows unauthenticated OS command injection via the /action/SetRemoteAccessCfg endpoint.
When was CVE-2026-36356 disclosed?
CVE-2026-36356 was first published in the National Vulnerability Database on May 5, 2026, with the most recent update on July 5, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-36356 actively exploited?
CVE-2026-36356 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 14% probability of exploitation in the next 30 days, which ranks it in the top 3.8% of all scored CVEs.
What is the CVSS score of CVE-2026-36356?
CVE-2026-36356 has a CVSS v3.1 base score of 9.1 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-36356?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-36356, 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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