A vulnerability has been found in Netgear D3600, D6000, D6100, D7800, R6100, R7500, R7500v2, R9000, WNDR3700v4, WNDR4300, WNDR4300v2, WNDR4500v3 and WNR2000v5 (Wireless LAN Software) and classified as critical. Affected by this vulnerability is an unknown part. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects D3600 before 1.0.0.67, D6000 before 1.0.0.67, D6100 before 1.0.0.56, D7800 before 1.0.1.30, R6100 before 1.0.1.20, R7500 before 1.0.0.118, R7500v2 before 1.0.3.24, R9000 before 1.0.2.52, WNDR3700v4 before 1.0.2.96, WNDR4300 before 1.0.2.98, WNDR4300v2 before 1.0.0.50, WNDR4500v3 before 1.0.0.50, and WNR2000v5 before 1.0.0.62.

The weakness was disclosed 04/28/2020 (Website). It is possible to read the advisory at kb.netgear.com. This vulnerability is known as CVE-2018-21218 since 04/20/2020. The attack needs to be done within the local network. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available.

Upgrading eliminates this vulnerability.

The entries 154509 and 154508 are pretty similar.

Productinfo

Type

• Wireless LAN Software

Vendor

• Netgear

Name

• D3600
• D6000
• D6100
• D7800
• R6100
• R7500
• R7500v2
• R9000
• WNDR3700v4
• WNDR4300
• WNDR4300v2
• WNDR4500v3
• WNR2000v5

License

• commercial

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Discussion