CVE-2021-26747

CRITICAL
9.8
CVSS Score
Published: February 18, 2021 at 08:55 PM UTC
Updated: June 17, 2026 at 03:43 AM UTC
5 products affected across 1 vendorWF2780 FirmwareWF2411 FirmwareWF2780

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Severity
CRITICAL9.8
Exploit prediction
EPSS 55%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

netis-systems-wf2411 (same device)
netis-systems-wf2780 (same device)
All versions
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

x_refsource_MISCProductVendor Advisory
http://www.netis-systems.com.tw/
x_refsource_MISCExploitThird Party Advisory
https://github.com/yhstar00/netis-route

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-78

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