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No exploitation reportedFix available

CVE-2023-48692

No exploitation reported by the sources we read.

  • Published2023-12-05
  • Fixed in6.3.0
  • WeaknessCWE-787 · CWE-825

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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 icmp, tcp, snmp, dhcp, nat and ftp 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.

Timeline

dates in UTC
  1. 2023-12-0501:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2023-48692?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2023-48692?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Microsoft azure rtos netx duo
BranchAffectedFixed in
6.3< 6.3.06.3.0

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

  • ICSA-25-226-25 CISA5 known affected

    Rockwell Automation Micro800

    Rockwell Automation PLC Micro820 LC20: <V14.011 · Rockwell Automation PLC Micro850 LC50: <V12.013 · Rockwell Automation PLC Micro870 LC70: <V12.013 · +2 more

Full record on NVD

Fix

  1. Update Microsoft azure rtos netx duo to 6.3.0
  2. Vendor fix CISA ICSA-25-226-25 · 1 productPLC Micro820 LC20: Migrate to Micro820 L20E V23.011 and later (this has yet to be released, target to release in Sept 2025)
  3. Vendor fix CISA ICSA-25-226-25 · 1 productPLC Micro850 LC50: Migrate to Micro850 L50E V23.011 and later
  4. Vendor fix CISA ICSA-25-226-25 · 1 productPLC Micro870 LC70: Migrate to Micro870 L70E V23.011 and later
  5. Vendor fix CISA ICSA-25-226-25 · 1 productPLC Micro850 L50E: V23.011 and later
  6. Vendor fix CISA ICSA-25-226-25 · 1 productPLC Micro870 L70E: V23.011 and later
  7. Mitigation from the vendor CISA ICSA-25-226-25 · 5 productsRockwell Automation recommends the following updates:

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub

Sources

  • CNACVSS 3.19read 2026-10-23
  • NVDCVSS 3.19.8read 2026-10-23
  • CNAweakness (CWE)CWE-787, CWE-825read 2026-10-23
  • FIRST EPSSEPSS score3.1 %2026-10-22

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2023-12-05
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2023-48692?

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 icmp, tcp, snmp, dhcp, nat and ftp 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.

Is CVE-2023-48692 actively exploited?

Active exploitation of CVE-2023-48692 has not been confirmed. Its EPSS score was 3.1% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2023-48692?

CVE-2023-48692 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».

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