CVE-2019-19356 on CISA KEV

Netis WF2419 is vulnerable to authenticated Remote Code Execution (RCE) as root through the router Web management page. The vulnerability has been found in firmware version V1.2.31805 and V2.2.36123. After one is connected to this page, it is possible to execute system commands a

01What CISA says about this vulnerability

Netis WF2419 is vulnerable to authenticated Remote Code Execution (RCE) as root through the router Web management page. The vulnerability has been found in firmware version V1.2.31805 and V2.2.36123. After one is connected to this page, it is possible to execute system commands as root through the tracert diagnostic tool because of lack of user input sanitizing.

02Required action — verbatim from CISA

Apply updates per vendor instructions.

03Notes & references

• www.digital.security — https://www.digital.security/en/blog/netis-routers-remote-code-execution-cve-201…
• github.com — https://github.com/shadowgatt/CVE-2019-19356
• packetstormsecurity.com — http://packetstormsecurity.com/files/156588/Netis-WF2419-2.2.36123-Remote-Code-E…

04SARA's analyst layer — why this matters

This vulnerability is currently on the CISA KEV list, which CISA only adds CVEs to when there is reliable evidence of active exploitation in the wild. For federal civilian agencies, BOD 22-01 requires remediation by the due date above. For everyone else, KEV is the strongest "patch immediately" signal you can get from public threat intel.

05Affected products (summary)

Vendor	Product	Versions
n	a / n/a	n/a

06Detection

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection:

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