CVE-2021-26747 — CRITICAL (9.8)

Vulnerability Description

Netis WF2780 2.3.40404 and WF2411 1.1.29629 devices allow Shell Metacharacter Injection into the ping command, leading to remote code execution.

CVSS Score

9.8

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Netis-Systems	Wf2780 Firmware	2.3.40404
Netis-Systems	Wf2780	-
Netis-Systems	Wf2411 Firmware	1.1.29629
Netis-Systems	Wf2411	-

Related Weaknesses (CWE)

CWE-78

References

http://www.netis-systems.com.tw/ProductVendor Advisory
https://github.com/yhstar00/netis-routeExploitThird Party Advisory
http://www.netis-systems.com.tw/ProductVendor Advisory
https://github.com/yhstar00/netis-routeExploitThird Party Advisory

FAQ

What is CVE-2021-26747?

CVE-2021-26747 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Netis WF2780 2.3.40404 and WF2411 1.1.29629 devices allow Shell Metacharacter Injection into the ping command, leading to remote code execution.

How severe is CVE-2021-26747?

CVE-2021-26747 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-26747?

Check the references section above for vendor advisories and patch information. Affected products include: Netis-Systems Wf2780 Firmware, Netis-Systems Wf2780, Netis-Systems Wf2411 Firmware, Netis-Systems Wf2411.