CVE-2022-4874

HIGHCVSS 7.5/10EPSS 11.01%

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
7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Probability
11.01%

95.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
NetcommwirelessNf20 Firmware< r6b025
NetcommwirelessNf20mesh Firmware< r6b025
NetcommwirelessNl1902 Firmware< r6b025

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2022-4874?
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.
How severe is CVE-2022-4874?
CVE-2022-4874 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 11.01% probability of exploitation in the next 30 days.
How do I fix CVE-2022-4874?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-4874?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST