CVE-2023-35721

May 3, 2024, 12:50 p.m.

Tags

zdi-disclosures@trendmicro.com
2024-05-03
CVE-2023-35721
CWE-295

CVSS Score

8.1 / 10

Product(s) Impacted

NETGEAR Routers

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.

Weaknesses

Date

Published: May 3, 2024, 2:15 a.m.

Last Modified: May 3, 2024, 12:50 p.m.

Status : Awaiting Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

zdi-disclosures@trendmicro.com

CVSS Data

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score
8.1
Exploitability Score
Impact Score
Base Severity
HIGH
CVSS Vector String

The CVSS vector string provides an in-depth view of the vulnerability metrics.

View Vector String

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References

https://kb.netgear.com/000065668/Security-Advisory-for-Improper-Remote-Server-Certificate-Validation-on-the-RAX50-PSV-2023-0019
zdi-disclosures@trendmicro.com
https://www.zerodayinitiative.com/advisories/ZDI-23-893/
zdi-disclosures@trendmicro.com