CVE-2020-27861

Description

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_Parser utility. A crafted Host Name option in a DHCP request can trigger execution of a system call composed from a user-supplied string. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-11076.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.28%
Vendor Advisory netgear.com
Affected: NETGEAR Orbi
Published at:
Updated at:

References

Link Tags
https://www.zerodayinitiative.com/advisories/ZDI-20-1430/ third party advisory vdb entry
https://kb.netgear.com/000062507/Security-Advisory-for-Unauthenticated-Command-Injection-Vulnerability-on-Some-Extenders-and-Orbi-WiFi-Systems vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-27861?
CVE-2020-27861 has been scored as a high severity vulnerability.
How to fix CVE-2020-27861?
To fix CVE-2020-27861, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-27861 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-27861 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-27861?
CVE-2020-27861 affects NETGEAR Orbi.
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