What is CVE-2019-19356?

CVE-2019-19356 is a high-severity vulnerability in Netis-Systems Wf2419, classified under OS Command Injection. CVSS score: 7.5/10. Published 2020-02-07.

How severe is CVE-2019-19356?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2019-19356 known to be exploited?

Yes. CVE-2019-19356 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03), indicating it is being actively exploited. 8 public proof-of-concept repositories are indexed.

RCE in Netis-Systems Wf2419

CVE-2019-19356

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.

Vulnerability class: Command Injection (OS Command Injection)

Published 2020-02-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.282 (98.1th percentile), scored 2026-10-19.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 98.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.282 · newest: 0.282 · change: 0.000

Affected products

Netis-Systems Wf2419
Netis-Systems Wf2419 Firmware — versions 1.2.31805, 2.2.36123

Weakness classification (CWE)

CWE-78 — OS Command Injection

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2021-11-03. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2022-05-03.

Required action: Apply updates per vendor instructions.

Public proof-of-concept exploits

References

www.digital.security/en/blog/netis-routers-remote-code-execution-cve-2019-19356 (Exploit, Third Party Advisory)
github.com/shadowgatt/CVE-2019-19356 (Exploit, Third Party Advisory)
packetstormsecurity.com/files/156588/Netis-WF2419-2.2.36123-Remote-Code-Executi… (Exploit, VDB Entry, Third Party Advisory)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)

Frequently asked questions

What is CVE-2019-19356?: CVE-2019-19356 is a high-severity vulnerability in Netis-Systems Wf2419, classified under OS Command Injection. CVSS score: 7.5/10. Published 2020-02-07.
How severe is CVE-2019-19356?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2019-19356 known to be exploited?: Yes. CVE-2019-19356 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03), indicating it is being actively exploited. 8 public proof-of-concept repositories are indexed.