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CVE-2019-19356 KEVPublic exploit High · 7.5 EPSS 28.1%

Netis WF2419 Devices Remote Code Execution Vulnerability

Netis · WF2419 Devices

Summary

The Netis WF2419 devices contain an OS command injection flaw in the tracert diagnostic tool of the router's web management page, caused by missing sanitisation of user input. An attacker who can reach the management interface and log in with valid credentials can run system commands as root on the device, provided they have access to that page.

Official description · NVD

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.

Breakdown
67.9 / 100
Exploited
Yes, in CISA KEV
Reports
0
Tactics
2/15

How an attack unfolds

Based on mappings. Select a step to see the evidence.
  1. How attackers get in

  2. What they do

First seen exploited 8 months after disclosure. Public exploit code (PoC-in-GitHub) was available 57 days before disclosure.

  1. Public exploit codePoC-in-GitHub57 days before
  2. Disclosedday 0
  3. First seen exploitedVulnCheck KEV evidence+8 mo
  4. Added to CISA KEVEU database agrees+21 mo

CISA KEV listing is when exploitation was confirmed, not necessarily the first attack.

techniques

2 , grouped by in kill-chain order, 2 cited passages 2

Initial AccessTA0001

Exploit Public-Facing Application T1190 Medium
AI mapping from the description · how it is exploited

Exploit via router web management interface

After one is connected to this page, it is possible to execute system commands
From the official description (NVD) Original (opens in a new tab) ↗

ExecutionTA0002

Command and Scripting Interpreter T1059 Medium
AI mapping from the description · primary impact

Root OS command execution via tracert

it is possible to execute system commands as root through the tracert diagnostic tool
From the official description (NVD) Original (opens in a new tab) ↗

Detection

0 rules for this CVE · 244 general rules for its techniques

Rules for this CVE

0 that reference CVE-2019-19356 directly.

CVE-specific rules are not available in this build. Search SigmaHQ ↗

Sigma rules © SigmaHQ, Detection Rule License 1.1; linked, not reproduced.

What security researchers reported

Not named in any threat report yet

Also mentioned in 50 community threat pulses (AlienVault OTX)

Weaker evidence

Pulses are indicator collections that anyone can publish. A mention is not confirmation of exploitation.

References

4 links, grouped by NVD tag (3 duplicates merged)
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