CVE-2021-34947

NETGEAR R7800 net-cgi Out-Of-Bounds Write Remote Code Execution Vulnerability

CVSS 8.8 HIGHEPSS 0.5%CWE-787

Vexday Risk Score

21Baixo

Decisão SSVC (CISA)

Track

Sem sinal de exploração → monitorar

CVSS 8.8EPSS 0.5%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Ciclo de vida

07 mai 2024Publicada no NVD

Recomendação: Monitorar — sem sinal de exploração no momento.

NETGEAR R7800 net-cgi Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R7800 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the parsing of the soap_block_table file. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated data structure. An attacker can leverage this vulnerability to execute code in the context of root. . Was ZDI-CAN-13055.

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

Produtos afetados

NETGEAR · R7800

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Referências

https://kb.netgear.com/000064044/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Routers-PSV-2021-0129 https://www.zerodayinitiative.com/advisories/ZDI-21-1116/