CVE-2022-4873
9.8 · CRITICALOverview
CVE-2022-4873 is a critical-severity vulnerability affecting netcommwireless nf20_firmware. It was published on January 11, 2023 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
On Netcomm router models NF20MESH, NF20, and NL1902 a stack based buffer overflow affects the sessionKey parameter. By providing a specific number of bytes, the instruction pointer is able to be overwritten on the stack and crashes the application at a known location.
Remediation
Check the references section for vendor advisories and patches from netcommwireless. Update nf20_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 |
|---|---|---|---|
| netcommwireless | nf20_firmware | >= 0, < r6b025 | Affected |
| netcommwireless | nf20mesh_firmware | >= 0, < r6b025 | Affected |
| netcommwireless | nl1902_firmware | >= 0, < r6b025 | Affected |
Frequently Asked Questions
What is CVE-2022-4873?
CVE-2022-4873 is a critical-severity vulnerability affecting netcommwireless nf20_firmware. It was published on January 11, 2023 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
How severe is CVE-2022-4873?
This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2022-4873?
Check the references section for vendor advisories and patches from netcommwireless. Update nf20_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-2022-4873?
CyberStrike's AI-powered security agents can automatically detect CVE-2022-4873 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
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