VULNERABILITY INTELLIGENCE

CVE-2020-27861

CVSS score8.8 HIGH
EPSS probability2.03%
CISA KEVNot currently listed
Published2021-02-12
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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.

Weakness classification

  • zdi-disclosures@trendmicro.com: CWE-78
  • nvd@nist.gov: CWE-78

Primary references