High severity7.5NVD Advisory· Published Jan 11, 2023· Updated Jun 17, 2026
CVE-2022-4874
CVE-2022-4874
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.
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Affected products
9Patches
Vulnerability mechanics
References
2- github.com/scarvell/advisories/blob/main/2022_netcomm_nf20mesh_unauth_rce.mdnvdExploitThird Party Advisory
- www.kb.cert.org/vuls/id/986018nvd
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