CVE-2021-46082
First published: Fri Feb 18 2022(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Moxa Tn-5916-wv-t Firmware | <=3.1 | |
| Moxa Tn-5916-wv-t | ||
| Moxa Tn-5916-wv-ct-t Firmware | <=3.1 | |
| Moxa Tn-5916-wv-ct-t | ||
| Moxa Mgate 5109 Firmware | <=2.2 | |
| Moxa Mgate 5109 | ||
| Moxa Mgate 5109-t Firmware | <=2.2 | |
| Moxa Mgate 5109-t | ||
| Moxa Mgate 5101-pbm-mn Firmware | <=2.1 | |
| Moxa Mgate 5101-pbm-mn | ||
| Moxa Mgate 5101-pbm-mn-t Firmware | <=2.1 | |
| Moxa Mgate 5101-pbm-mn-t |
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Reference Links
Frequently Asked Questions
What is CVE-2021-46082?
CVE-2021-46082 is a vulnerability found in Moxa TN-5900 v3.1 series routers, MGate 5109 v2.2 series protocol gateways, and MGate 5101-PBM-MN v2.1 series protocol gateways.
What is the severity of CVE-2021-46082?
The severity of CVE-2021-46082 is high, with a CVSS score of 7.5.
How can CVE-2021-46082 be exploited?
CVE-2021-46082 can be exploited by attackers sending crafted packets that trigger a memory leak, leading to a Denial of Service (DoS) condition.
Which software versions are affected by CVE-2021-46082?
CVE-2021-46082 affects Moxa TN-5900 routers with firmware versions up to and including 3.1, MGate 5109 protocol gateways with firmware versions up to and including 2.2, and MGate 5101-PBM-MN protocol gateways with firmware versions up to and including 2.1.
How do I fix CVE-2021-46082?
To fix CVE-2021-46082, it is recommended to update to the latest firmware version provided by Moxa.
- collector/nvd-index
- agent/references
- agent/type
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/weakness
- agent/author
- agent/last-modified-date
- agent/severity
- agent/remedy
- agent/tags
- agent/description
- agent/first-publish-date
- agent/event
- agent/source
- vendor/moxa
- canonical/moxa tn-5916-wv-t firmware
- version/moxa tn-5916-wv-t firmware/3.1
- canonical/moxa tn-5916-wv-t
- canonical/moxa tn-5916-wv-ct-t firmware
- version/moxa tn-5916-wv-ct-t firmware/3.1
- canonical/moxa tn-5916-wv-ct-t
- canonical/moxa mgate 5109 firmware
- version/moxa mgate 5109 firmware/2.2
- canonical/moxa mgate 5109
- canonical/moxa mgate 5109-t firmware
- version/moxa mgate 5109-t firmware/2.2
- canonical/moxa mgate 5109-t
- canonical/moxa mgate 5101-pbm-mn firmware
- version/moxa mgate 5101-pbm-mn firmware/2.1
- canonical/moxa mgate 5101-pbm-mn
- canonical/moxa mgate 5101-pbm-mn-t firmware
- version/moxa mgate 5101-pbm-mn-t firmware/2.1
- canonical/moxa mgate 5101-pbm-mn-t