CVE-2022-4874
Last modified
CVE-2022-4874 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Authentication bypass in Netcomm router models NF20MESH, NF20, and NL1902 allows an unauthenticated user to access content. In order to serve static content, the application performs a check for the existence of specific characters in the URL (.css, .png etc). EPSS estimates a 11.01% chance of exploitation in the next 30 days.
Description
Authentication bypass in Netcomm router models NF20MESH, NF20, and NL1902 allows an unauthenticated user to access content. In order to serve static content, the application performs a check for the existence of specific characters in the URL (.css, .png etc). If it exists, it performs a "fake login" to give the request an active session to load the file and not redirect to the login page.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Netcommwireless | Nf20 Firmware | < r6b025 |
| Netcommwireless | Nf20mesh Firmware | < r6b025 |
| Netcommwireless | Nl1902 Firmware | < r6b025 |
References
- https://github.com/scarvell/advisories/blob/main/2022_netcomm_nf20mesh_unauth_rce.mdExploit, Third Party Advisory
- https://github.com/scarvell/advisories/blob/main/2022_netcomm_nf20mesh_unauth_rce.mdExploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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