PT-2023-3438 · NetGear · Netgear Routers

Hacks_Zach + 1 · Publicado 2023-01-26 · Atualizado 2025-08-07 · CVE-2023-35721

Positive Technologies (AI Summary)

CVSS v3.1

8.8

Alta

Vetor base

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

Name of the Vulnerable Software and Affected Versions NETGEAR Multiple Routers (affected versions not specified)

Description This issue allows network-adjacent attackers to compromise the integrity of downloaded information on affected installations of multiple NETGEAR routers. The specific flaw exists within the update functionality, which operates over HTTPS, due to 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. Authentication is not required to exploit this issue.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Improper Certificate Validation

Enumeração de Fraquezas

CWE-295

Identificadores relacionados

BDU:2023-03620

CVE-2023-35721

ZDI-23-893

Produtos afetados

Netgear Routers

Referências · 9

• https://zerodayinitiative.com/advisories/ZDI-23-893 · Nota de Segurança
• https://t.me/cveNotify/131250 · Publicação no Telegram
• https://twitter.com/CVEnew/status/1787561572761801186 · Publicação no Twitter
• https://nvd.nist.gov/vuln/detail/CVE-2023-35721 · Nota de Segurança
• https://kb.netgear.com/000065668/Security-Advisory-for-Improper-Remote-Server-Certificate-Validation-on-the-RAX50-PSV-2023-0019 · Aviso do Fabricante
• https://osv.dev/vulnerability/CVE-2023-35721 · Aviso do Fabricante
• https://bdu.fstec.ru/vul/2023-03620 · Nota de Segurança
• https://vuldb.com/ru/?id.232818 · Nota
• https://opennet.ru/opennews/art.shtml?num=59363 · Nota