How severe is CVE-2020-8946?

CVE-2020-8946 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-8946 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-8946?

CVE-2020-8946 affects Netis-systems Wf2471 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-8946?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-8946 published?

CVE-2020-8946 was published on 2020-02-12 and last updated on 2026-06-17.

CVE-2020-8946

CVE-2020-8946 is a high-severity vulnerability in Netis-systems Wf2471 Firmware with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 9.0
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Netis-systems Wf2471 Firmware
Published: 2020-02-12
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2020-8946?: CVE-2020-8946 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-8946 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-8946?: CVE-2020-8946 affects Netis-systems Wf2471 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-8946?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-8946 published?: CVE-2020-8946 was published on 2020-02-12 and last updated on 2026-06-17.

References

https://sku11army.blogspot.com/2020/02/netis-authenticated-rce-on-wf2471.html

Affected products (1)

cpe:2.3:o:netis-systems:wf2471_firmware:1.2.30142:*:*:*:*:*:*:*

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