CVE-2021-46082

highpriority · track · 30EPSS 0.012 · 67 %ileEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

1.18% (67th) EPSS

CVSS 7.8 · high

Is it mine?

10 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-28

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.

cvss

Technical severity, 0–10. One row per scoring source.

7.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.9–7.8

v2.07.8highAV:N/AC:L/Au:N/C:N/I:N/A:Cprimary · NVD / NIST USexploitability 10 · impact 6.9

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.17.5highAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · FSTEC (BDU) RU

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-401USprimaryCWE-401US

affected products (10)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
Moxa Inc. Moxa MGate 5101-PBM-MN≤ 2.2fstec_bduRU
Moxa Inc. Moxa MGate 5109≤ 2.3fstec_bduRU
Moxa Inc. Moxa TN-5900≤ 3.1fstec_bduRU
moxa mgate 5101-pbm-mn firmware≤ 2.1nvdUScpe:2.3:o:moxa:mgate_5101-pbm-mn_firmware:*:*:*:*:*:*:*:*
moxa mgate 5101-pbm-mn-t firmware≤ 2.1nvdUScpe:2.3:o:moxa:mgate_5101-pbm-mn-t_firmware:*:*:*:*:*:*:*:*
moxa mgate 5109 firmware≤ 2.2nvdUScpe:2.3:o:moxa:mgate_5109_firmware:*:*:*:*:*:*:*:*
moxa mgate 5109-t firmware≤ 2.2nvdUScpe:2.3:o:moxa:mgate_5109-t_firmware:*:*:*:*:*:*:*:*
moxa tn-5916-wv-ct-t firmware≤ 3.1nvdUScpe:2.3:o:moxa:tn-5916-wv-ct-t_firmware:*:*:*:*:*:*:*:*
moxa tn-5916-wv-t firmware≤ 3.1nvdUScpe:2.3:o:moxa:tn-5916-wv-t_firmware:*:*:*:*:*:*:*:*

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2022-02-18modified 2026-06-17

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references (8)

External citations — patches, advisories, analysis.

scry

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