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CVE-2020-27861

Published: Feb 11, 2021Updated: Nov 21, 2024 Sources: CVE List NVDCWE-78
NVD MITRE
8.8CVSSHIGH
EPSS Score
2.0%
Top 21.4%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:AAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:AAttack Vector
Adjacent
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-78

Affected Products

OrbiNETGEARNetworking Infrastructure
cbk40 firmwarenetgearNetworking Infrastructure
cbk43 firmwarenetgearNetworking Infrastructure
cbr40 firmwarenetgearNetworking Infrastructure
ex6200 firmwarenetgearNetworking Infrastructure
netgearcommercialUSNetworking Infrastructureaka net gear
and 35 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Execution
View detailed technique mapping

References

https://www.zerodayinitiative.com/advisories/ZDI-20-1430/
zerodayinitiative.com
https://kb.netgear.com/000062507/Security-Advisory-for-Unauthenticated-Command-Injection-Vulnerability-on-Some-Extenders-and-Orbi-WiFi-Systems
kb.netgear.com

Timeline

Published
Feb 11, 2021
Last Updated
Nov 21, 2024

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