A vulnerability was found in Netgear D7800, DM200, R6100, R7500, R7500v2, R7800, R8900, R9000, WNDR3700v4, WNDR4300, WNDR4300v2, WNDR4500v3 and WNR2000v5 (Router Operating System). It has been rated as critical. Affected by this issue is an unknown function. The manipulation with an unknown input leads to a stack-based overflow vulnerability. Using CWE to declare the problem leads to CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). Impacted is confidentiality, integrity, and availability. CVE summarizes:

Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects D7800 before 1.0.1.34, DM200 before 1.0.0.50, R6100 before 1.0.1.22, R7500 before 1.0.0.122, R7500v2 before 1.0.3.26, R7800 before 1.0.2.42, R8900 before 1.0.3.10, R9000 before 1.0.3.10, WNDR3700v4 before 1.0.2.96, WNDR4300 before 1.0.2.98, WNDR4300v2 before 1.0.0.54, WNDR4500v3 before 1.0.0.54, and WNR2000v5 before 1.0.0.64.

The weakness was released 04/22/2020 (Website). The advisory is shared for download at kb.netgear.com. This vulnerability is handled as CVE-2018-21150 since 04/20/2020. The attack needs to approached within the local network. The successful exploitation requires a simple authentication. There are neither technical details nor an exploit publicly available.

Upgrading eliminates this vulnerability.

Entry connected to this vulnerability is available at VDB-154145.

Productinfo

Type

• Router Operating System

Vendor

• Netgear

Name

• D7800
• DM200
• R6100
• R7500
• R7500v2
• R7800
• R8900
• R9000
• WNDR3700v4
• WNDR4300
• WNDR4300v2
• WNDR4500v3
• WNR2000v5

License

• commercial

CPE 2.3info

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CPE 2.2info

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