What is CVE-2020-8946?

CVE-2020-8946 is a high-severity vulnerability in Netis-Systems Wf2471, classified under OS Command Injection. CVSS score: 8.8/10. Published 2020-02-12.

How severe is CVE-2020-8946?

High severity. CVSS v3 base score is 8.8 out of 10.

RCE in Netis-Systems Wf2471

CVE-2020-8946

Netis WF2471 v1.2.30142 devices allow an authenticated attacker to execute arbitrary OS commands via shell metacharacters in the /cgi-bin-igd/sys_log_clean.cgi log_3g_type parameter.

Vulnerability class: Command Injection (OS Command Injection)

Published 2020-02-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.019 (78.5th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 78.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.019 · newest: 0.019 · change: 0.000

Affected products

Netis-Systems Wf2471
Netis-Systems Wf2471 Firmware — versions 1.2.30142

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

sku11army.blogspot.com/2020/02/netis-authenticated-rce-on-wf2471.html (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2020-8946?: CVE-2020-8946 is a high-severity vulnerability in Netis-Systems Wf2471, classified under OS Command Injection. CVSS score: 8.8/10. Published 2020-02-12.
How severe is CVE-2020-8946?: High severity. CVSS v3 base score is 8.8 out of 10.