What’s Vulnerable › Vulnerabilities

CVE-2021-26747

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 54.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-02-18 · updated 2026-06-17
• Weakness: CWE-78

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 products

• Netis-Systems Wf2411 Firmware: 1.1.29629
• Netis-Systems Wf2780 Firmware: 2.3.40404

References

• http://www.netis-systems.com.tw/
• https://github.com/yhstar00/netis-route
• http://www.netis-systems.com.tw/
• https://github.com/yhstar00/netis-route

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