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CVE-2023-35721

Published: May 3, 2024Updated: Aug 7, 2025 Sources: CVE List NVD BDUCWE-295
NVD MITRE
8.8CVSSHIGH
EPSS Score
0.8%
Top 48.0%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

NETGEAR Multiple Routers curl_post Improper Certificate Validation Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to compromise the integrity of downloaded information on affected installations of multiple NETGEAR routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the update functionality, which operates over HTTPS. The issue results from the lack of proper validation of the certificate presented by the server. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of root. Was ZDI-CAN-19981.

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
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Weaknesses

CWE-295

Affected Products

Multiple RoutersNETGEARNetworking Infrastructure
rax50 firmwarenetgearNetworking Infrastructure
RAX50NETGEARNetworking Infrastructure
netgearcommercialUSNetworking Infrastructureaka net gear

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Collection
View detailed technique mapping

References

https://www.zerodayinitiative.com/advisories/ZDI-23-893/
zerodayinitiative.com
https://kb.netgear.com/000065668/Security-Advisory-for-Improper-Remote-Server-Certificate-Validation-on-the-RAX50-PSV-2023-0019
kb.netgear.com
https://www.zerodayinitiative.com/advisories/ZDI-23-893/
zerodayinitiative.com
and 3 more references View all →

Timeline

Published
May 3, 2024
Last Updated
Aug 7, 2025

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