CVE-2022-43389
8.6 · HIGHOverview
CVE-2022-43389 is a high-severity vulnerability affecting zyxel lte3202-m437_firmware. It was published on January 11, 2023 and has a CVSS 3.1 base score of 8.6 (HIGH).
This vulnerability has a CVSS 3.1 base score of 8.6, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
A buffer overflow vulnerability in the library of the web server in Zyxel NR7101 firmware prior to V1.15(ACCC.3)C0, which could allow an unauthenticated attacker to execute some OS commands or to cause denial-of-service (DoS) conditions on a vulnerable device.
Remediation
Check the references section for vendor advisories and patches from zyxel. Update lte3202-m437_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| zyxel | lte3202-m437_firmware | >= 0, < 1.00\(abwf.1\)c0 | Affected |
| zyxel | lte3316-m604_firmware | >= 0, < 2.00\(abmp.6\)c0 | Affected |
| zyxel | lte7480-m804_firmware | >= 0, < 1.00\(abra.6\)c0 | Affected |
| zyxel | lte7490-m904_firmware | >= 0, < 1.00\(abqy.5\)c0 | Affected |
| zyxel | nebula_fwa510_firmware | >= 0, < 1.15\(acgd.3\)c0 | Affected |
| zyxel | nebula_fwa710_firmware | >= 0, < 1.15\(acgc.3\)c0 | Affected |
| zyxel | nebula_nr7101_firmware | >= 0, < 1.15\(accc.3\)c0 | Affected |
| zyxel | nr5103_firmware | >= 0, < 4.19\(abyc.3\)c0 | Affected |
| zyxel | nr7101_firmware | >= 0, < 1.00\(abuv.7\)c0 | Affected |
References
Frequently Asked Questions
What is CVE-2022-43389?
CVE-2022-43389 is a high-severity vulnerability affecting zyxel lte3202-m437_firmware. It was published on January 11, 2023 and has a CVSS 3.1 base score of 8.6 (HIGH).
How severe is CVE-2022-43389?
This vulnerability has a CVSS 3.1 base score of 8.6, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2022-43389?
Check the references section for vendor advisories and patches from zyxel. Update lte3202-m437_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2022-43389?
CyberStrike's AI-powered security agents can automatically detect CVE-2022-43389 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
AI-driven PR review catches vulnerable dependencies before they ship.
Browser-based exploitation validates findings with real proof-of-concept.
Related HIGH CVEs from 2022
View all →Server-side JavaScript injection in Appsmith through 1.7.14 allows remote attackers to execute arbit
XWiki Platform Web Parent POM contains Web resources for the XWiki platform, a generic wiki platform
The XWiki Platform Index UI is an Index of all pages, attachments, orphans and deleted pages and att
XWiki Platform Attachment UI provides a macro to easily upload and select attachments for XWiki Plat
XWiki Platform Mentions UI is a user interface for mentioning users in wiki content for XWiki Platfo
Discourse is a platform for community discussion. Users who receive an invitation link that is not s
The Handy Tip macro in Stiltsoft Handy Macros for Confluence Server/Data Center 3.x before 3.5.5 all
There exists a path traversal vulnerability in the Android Google Search app. This is caused by the
In Expat (aka libexpat) before 2.4.3, a left shift by 29 (or more) places in the storeAtts function
In Userfrosting, versions v0.3.1 to v4.6.2 are vulnerable to Host Header Injection. By luring a vict
The Events Made Easy WordPress plugin before 2.2.36 does not sanitise and escape the search_text par
OroPlatform is a PHP Business Application Platform. In affected versions by sending a specially craf