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TI-2021-21050 Aliases CVE-2021-46082GHSA-65q9-fq96-wqpj

Moxa TN-5900 v3.1 series routers, MGate 5109 v2.2 series protocol gateways, and MGate…

Priority LOW 35CWE-401Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-401.

Summary

Moxa TN-5900 v3.1 series routers, MGate 5109 v2.2 series protocol gateways, and MGate 5101-PBM-MN v2.1 series protocol gateways were discovered to contain a memory leak which allows attackers to cause a Denial of Service (DoS) via crafted packets.

Why it matters now

EPSS 0.01175 67th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 12

CPEVersionsRoleVendor
cpe:2.3:o:moxa:tn-5916-wv-t_firmware:*:*:*:*:*:*:*:*up to 3.1VulnerableMoxa
cpe:2.3:h:moxa:tn-5916-wv-t:-:*:*:*:*:*:*:*not specified by NVDRunning onMoxa
cpe:2.3:o:moxa:tn-5916-wv-ct-t_firmware:*:*:*:*:*:*:*:*up to 3.1VulnerableMoxa
cpe:2.3:h:moxa:tn-5916-wv-ct-t:-:*:*:*:*:*:*:*not specified by NVDRunning onMoxa
cpe:2.3:o:moxa:mgate_5109_firmware:*:*:*:*:*:*:*:*up to 2.2VulnerableMoxa
cpe:2.3:h:moxa:mgate_5109:-:*:*:*:*:*:*:*not specified by NVDRunning onMoxa
cpe:2.3:o:moxa:mgate_5109-t_firmware:*:*:*:*:*:*:*:*up to 2.2VulnerableMoxa
cpe:2.3:h:moxa:mgate_5109-t:-:*:*:*:*:*:*:*not specified by NVDRunning onMoxa
cpe:2.3:o:moxa:mgate_5101-pbm-mn_firmware:*:*:*:*:*:*:*:*up to 2.1VulnerableMoxa
cpe:2.3:h:moxa:mgate_5101-pbm-mn:-:*:*:*:*:*:*:*not specified by NVDRunning onMoxa
  • cpe:2.3:o:moxa:tn-5916-wv-t_firmware:*:*:*:*:*:*:*:* Versions up to 3.1 Vulnerable ·Moxa
  • cpe:2.3:h:moxa:tn-5916-wv-t:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Moxa
  • cpe:2.3:o:moxa:tn-5916-wv-ct-t_firmware:*:*:*:*:*:*:*:* Versions up to 3.1 Vulnerable ·Moxa
  • cpe:2.3:h:moxa:tn-5916-wv-ct-t:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Moxa
  • cpe:2.3:o:moxa:mgate_5109_firmware:*:*:*:*:*:*:*:* Versions up to 2.2 Vulnerable ·Moxa
  • cpe:2.3:h:moxa:mgate_5109:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Moxa
  • cpe:2.3:o:moxa:mgate_5109-t_firmware:*:*:*:*:*:*:*:* Versions up to 2.2 Vulnerable ·Moxa
  • cpe:2.3:h:moxa:mgate_5109-t:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Moxa
  • cpe:2.3:o:moxa:mgate_5101-pbm-mn_firmware:*:*:*:*:*:*:*:* Versions up to 2.1 Vulnerable ·Moxa
  • cpe:2.3:h:moxa:mgate_5101-pbm-mn:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Moxa
Show 2 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:moxa:mgate_5101-pbm-mn-t_firmware:*:*:*:*:*:*:*:*up to 2.1VulnerableMoxa
cpe:2.3:h:moxa:mgate_5101-pbm-mn-t:-:*:*:*:*:*:*:*not specified by NVDRunning onMoxa
  • cpe:2.3:o:moxa:mgate_5101-pbm-mn-t_firmware:*:*:*:*:*:*:*:* Versions up to 2.1 Vulnerable ·Moxa
  • cpe:2.3:h:moxa:mgate_5101-pbm-mn-t:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Moxa

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-46082
  2. 2026-10-03 Alias added: GHSA-65q9-fq96-wqpj

References

Patch 1

Advisory 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences