Remote Code Execution Vulnerability in Netis WF2419 Router Firmware
CVE-2019-19356

7.5HIGH

Key Information:

Vendor

Netis-systems

Status
Wf2419 Firmware
Vendor
CVE Published:
7 February 2020

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 88%🦅 CISA Reported

What is CVE-2019-19356?

The Netis WF2419 router is exposed to a vulnerability that permits authenticated remote code execution as root. This issue arises through its web management interface, where insufficient user input sanitization allows attackers to leverage the tracert diagnostic tool to execute arbitrary system commands. Specifically, this vulnerability affects firmware versions V1.2.31805 and V2.2.36123, making it imperative for users to apply corrective measures to secure their devices against potential exploitation.

CISA has reported CVE-2019-19356

CISA provides regional cyber and physical services to support security and resilience across the United States. CISA monitor the most dangerious vulnerabilities and have identifed CVE-2019-19356 as being exploited but is not known by the CISA to be used in ransomware campaigns. This is subject to change at pace

The CISA's recommendation is: Apply updates per vendor instructions.

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2019-19356
Created by shadowgatt

CVE-2019-19356
Created by qq1515406085

References

https://www.digital.security/en/blog/netis-routers-remote...
x_refsource_MISC
https://github.com/shadowgatt/CVE-2019-19356
x_refsource_MISC
http://packetstormsecurity.com/files/156588/Netis-WF2419-...
x_refsource_MISC

EPSS Score

88% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🦅

    CISA Reported

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.