CVE-2026-52483

HIGHPre-NVD 8.88.8—
EchelonGraph scoreHIGH confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-09-17. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 4 sources updated this weekElevated
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 8.8Exploit: Elevated riskExposed: 0

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

The ping diagnostics and other similar functions of the MitraStar GPT-2741GNAC-N2-SV router with firmware BR_g8.10_1.11(WVK.0)b46 allow authenticated users execute arbitrary OS command via concatenated params on a crafted POST request for the endpoint /cgi-bin/device-management-utilities-internet.cgi.

CVSS v3
8.8
EG Score
8.8(high)
EG Risk
56(Track*)
EG Risk 56/100SSVC: 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
Severity88% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Watch closely — could escalate to Attend.
EPSS PROB
1%
EPSS %ILE
42%
KEV
Not listed

Published

September 17, 2026

Last Modified

September 22, 2026

Advisory Details (1)

Auto-updated Sep 19, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

GitHub - FelpM/MitraStar_GPT-2741GNAC-N2-SV_BR_g8.10_1.11-WVK.0-b46: MitraStar Vulnerability Disclosure · GitHub

https://github.com/FelpM/MitraStar_GPT-2741GNAC-N2-SV_BR_g8.10_1.11-WVK.0-b46

Vendor Advisories for CVE-2026-52483(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 28× in last 7d / 31× 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.

  1. 2026-09-25 09:37 UTCGHSA enrichment
  2. 2026-09-24 21:31 UTCEG score recompute
  3. 2026-09-24 21:31 UTCGHSA enrichment
  4. 2026-09-24 08:31 UTCGHSA enrichment
  5. 2026-09-23 20:25 UTCEG score recompute
  6. 2026-09-23 20:25 UTCGHSA enrichment
  7. 2026-09-23 17:53 UTCEPSS rescore
  8. 2026-09-23 08:19 UTCGHSA enrichment
  9. 2026-09-22 20:13 UTCGHSA enrichment
  10. 2026-09-22 16:16 UTCEG score recompute
  11. 2026-09-22 16:16 UTCGHSA enrichment
  12. 2026-09-22 04:09 UTCEG score recompute
  13. 2026-09-22 04:09 UTCGHSA enrichment
  14. 2026-09-21 16:03 UTCGHSA enrichment
  15. 2026-09-21 03:57 UTCEG score recompute
  16. 2026-09-21 03:57 UTCGHSA enrichment
  17. 2026-09-20 20:16 UTCEPSS rescore
  18. 2026-09-20 15:51 UTCGHSA enrichment
  19. 2026-09-20 03:42 UTCEG score recompute
  20. 2026-09-20 03:42 UTCGHSA enrichment
  21. 2026-09-19 15:36 UTCEG score recompute
  22. 2026-09-19 15:36 UTCGHSA enrichment
  23. 2026-09-19 03:29 UTCEG score recompute
  24. 2026-09-19 03:29 UTCGHSA enrichment
  25. 2026-09-19 02:16 UTCEG score recompute▲ 8.80
Show 6 more
  1. 2026-09-19 02:16 UTCGHSA enrichment
  2. 2026-09-19 02:15 UTCMITRE cvelistV5CVSS v3 → 8.8 · severity → HIGH
  3. 2026-09-18 19:28 UTCEPSS rescore
  4. 2026-09-17 21:19 UTCNVD update
  5. 2026-09-17 20:25 UTCEG score recompute
  6. 2026-09-17 20:24 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-52483?
CVE-2026-52483 is a high vulnerability published on September 17, 2026. The ping diagnostics and other similar functions of the MitraStar GPT-2741GNAC-N2-SV router with firmware BRg8.101.11(WVK.0)b46 allow authenticated users execute arbitrary OS command via concatenated params on a crafted POST request for the endpoint /cgi-bin/device-management-utilities-internet.cgi.
When was CVE-2026-52483 disclosed?
CVE-2026-52483 was first published in the National Vulnerability Database on September 17, 2026, with the most recent update on September 22, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-52483 actively exploited?
CVE-2026-52483 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 58.5% of all scored CVEs.
What is the CVSS score of CVE-2026-52483?
CVE-2026-52483 has a CVSS v3.1 base score of 8.8 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-52483?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-52483, 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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