Netgear RAX50 Certificate Validation curl_post certificate validation

CVSS Meta Temp Score
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CTI Interest Score
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8.2$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Netgear RAX50. This vulnerability affects the function curl_post of the component Certificate Validation Handler. The manipulation results in certificate validation. This vulnerability was named CVE-2023-35721. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Netgear RAX50 (Wireless LAN Software) (unknown version). It has been classified as critical. Affected is the function curl_post of the component Certificate Validation Handler. The manipulation with an unknown input leads to a certificate validation vulnerability. CWE is classifying the issue as CWE-295. The product does not validate, or incorrectly validates, a certificate. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

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.

The weakness was presented 07/01/2023. The advisory is available at zerodayinitiative.com. This vulnerability is traded as CVE-2023-35721 since 06/15/2023. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1587.003 by the MITRE ATT&CK project.

Upgrading eliminates this vulnerability. The upgrade is hosted for download at kb.netgear.com.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.3
VulDB Meta Temp Score: 8.2

VulDB Base Score: 8.1
VulDB Temp Score: 7.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CNA Base Score: 8.1
CNA Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Certificate validation
CWE: CWE-295 / CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: kb.netgear.com

Timelineinfo

06/15/2023 🔍
07/01/2023 +16 days 🔍
07/01/2023 +0 days 🔍
08/07/2025 +768 days 🔍

Sourcesinfo

Vendor: netgear.com

Advisory: zerodayinitiative.com
Status: Confirmed

CVE: CVE-2023-35721 (🔍)
GCVE (CVE): GCVE-0-2023-35721
GCVE (VulDB): GCVE-100-232818

Entryinfo

Created: 07/01/2023 08:37
Updated: 08/07/2025 17:15
Changes: 07/01/2023 08:37 (40), 08/07/2025 17:15 (37)
Complete: 🔍
Cache ID: 216::103

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