CVE-2023-48316

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.8 under NVD CVSS v3. EPSS exploit probability: 4.3%, top 10% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 4%CVSS: 9.8Exploit: NoneExposed: 0

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

Azure RTOS NetX Duo is a TCP/IP network stack designed specifically for deeply embedded real-time and IoT applications. An attacker can cause remote code execution due to memory overflow vulnerabilities in Azure RTOS NETX Duo. The affected components include processes/functions related to snmp, smtp, ftp and dtls in RTOS v6.2.1 and below. The fixes have been included in NetX Duo release 6.3.0. Users are advised to upgrade. There are no known workarounds for this vulnerability.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
50(Track)
EG Risk 50/100SSVC: 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%
Exploitation4% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
90.2%
KEV
Not listed

Published

December 5, 2023

Last Modified

June 17, 2026

Advisory Details (1)

Auto-updated Jun 28, 2026
Patch available. Sources: github.
github Patch Available

Azure RTOS NetX Duo Remote Code Execution Vulnerability · Advisory · eclipse-threadx/netxduo · GitHub

https://github.com/azure-rtos/netxduo/security/advisories/GHSA-3cmf-r288-xhwq

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 12× in last 7d / 49× 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 104 total refreshes for this CVE.

  1. 2026-07-23 02:28 UTCEG score recompute
  2. 2026-07-22 23:14 UTCEG score recompute
  3. 2026-07-22 14:06 UTCEPSS rescore
  4. 2026-07-21 15:23 UTCEPSS rescore
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  15. 2026-07-15 02:19 UTCOSV refresh
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  1. 2026-07-07 13:44 UTCEPSS rescore
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  18. 2026-06-27 03:07 UTCOSV refresh
  19. 2026-06-25 13:48 UTCEPSS rescore
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  27. 2026-06-21 14:55 UTCEPSS rescore
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  43. 2026-06-11 13:59 UTCEPSS rescore
  44. 2026-06-10 22:17 UTCEPSS rescore
  45. 2026-06-10 13:21 UTCEPSS rescore
  46. 2026-06-09 13:47 UTCOSV refresh
  47. 2026-06-08 14:16 UTCEPSS rescore
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  49. 2026-06-07 15:24 UTCEPSS rescore
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  74. 2026-05-26 13:43 UTCEPSS rescore
  75. 2026-05-26 07:18 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2023-48316?
CVE-2023-48316 is a critical vulnerability published on December 5, 2023. Azure RTOS NetX Duo is a TCP/IP network stack designed specifically for deeply embedded real-time and IoT applications. An attacker can cause remote code execution due to memory overflow vulnerabilities in Azure RTOS NETX Duo. The affected components include processes/functions related to snmp,…
When was CVE-2023-48316 disclosed?
CVE-2023-48316 was first published in the National Vulnerability Database on December 5, 2023, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-48316 actively exploited?
CVE-2023-48316 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 90.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2023-48316?
CVE-2023-48316 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2023-48316?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-48316, 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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