What is CVE-2021-26747?

CVE-2021-26747 is a critical-severity vulnerability in Netis-systems Wf2411, classified under OS Command Injection. CVSS score: 9.8/10. Published 2021-02-18.

How severe is CVE-2021-26747?

Critical severity. CVSS v3 base score is 9.8 out of 10.

RCE in Netis-systems Wf2411

CVE-2021-26747

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

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.536 (98.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Netis-systems Wf2411
Netis-systems Wf2411_firmware — versions 1.1.29629
Netis-systems Wf2780
Netis-systems Wf2780_firmware — versions 2.3.40404
N/a — versions n/a

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Product, x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-26747?: CVE-2021-26747 is a critical-severity vulnerability in Netis-systems Wf2411, classified under OS Command Injection. CVSS score: 9.8/10. Published 2021-02-18.
How severe is CVE-2021-26747?: Critical severity. CVSS v3 base score is 9.8 out of 10.