What is CVE-2020-27861?

CVE-2020-27861 is a high-severity vulnerability in Netgear Cbk40, classified under OS Command Injection. CVSS score: 8.8/10. Published 2021-02-12.

How severe is CVE-2020-27861?

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

Is CVE-2020-27861 known to be exploited?

11 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

RCE in Netgear Cbk40

CVE-2020-27861

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR Orbi 2.5.1.16 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the UA…

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.020 (78.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

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

Affected products

Weakness classification (CWE)

CWE-78 — OS Command Injection

Public proof-of-concept exploits

References

zdi-disclosures@trendmicro.com (VDB Entry, Third Party Advisory, x_refsource_MISC)
zdi-disclosures@trendmicro.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2020-27861?: CVE-2020-27861 is a high-severity vulnerability in Netgear Cbk40, classified under OS Command Injection. CVSS score: 8.8/10. Published 2021-02-12.
How severe is CVE-2020-27861?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2020-27861 known to be exploited?: 11 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.