What’s Vulnerable › Vulnerabilities

CVE-2021-38524

• Severity: medium (CVSS 4.9 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-08-11 · updated 2026-06-17
• Weakness: CWE-787

Description

Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects MK62 before 1.0.6.110, MR60 before 1.0.6.110, MS60 before 1.0.6.110, RAX15 before 1.0.2.82, RAX20 before 1.0.2.82, RAX200 before 1.0.3.106, RAX45 before 1.0.2.32, RAX50 before 1.0.2.32, RAX75 before 1.0.3.106, RAX80 before 1.0.3.106, RBK752 before 3.2.16.6, RBR750 before 3.2.16.6, and RBS750 before 3.2.16.6.

Affected products

• NETGEAR Mk62 Firmware: before 1.0.6.110 — fixed in 1.0.6.110
• NETGEAR Mr60 Firmware: before 1.0.6.110 — fixed in 1.0.6.110
• NETGEAR Ms60 Firmware: before 1.0.6.110 — fixed in 1.0.6.110
• NETGEAR Rax15 Firmware: before 1.0.2.82 — fixed in 1.0.2.82
• NETGEAR Rax200 Firmware: before 1.0.3.106 — fixed in 1.0.3.106
• NETGEAR Rax20 Firmware: before 1.0.2.82 — fixed in 1.0.2.82
• NETGEAR Rax45 Firmware: before 1.0.2.32 — fixed in 1.0.2.32
• NETGEAR Rax50 Firmware: before 1.0.2.32 — fixed in 1.0.2.32
• NETGEAR Rax75 Firmware: before 1.0.3.106 — fixed in 1.0.3.106
• NETGEAR Rax80 Firmware: before 1.0.3.106 — fixed in 1.0.3.106
• NETGEAR Rbk752 Firmware: before 3.2.16.6 — fixed in 3.2.16.6
• NETGEAR Rbr750 Firmware: before 3.2.16.6 — fixed in 3.2.16.6
• Netgear Orbi Satellite RBS750: before 3.2.16.6 — fixed in 3.2.16.6

How to fix

Upgrade to a fixed version: NETGEAR Mk62 Firmware 1.0.6.110; NETGEAR Mr60 Firmware 1.0.6.110; NETGEAR Ms60 Firmware 1.0.6.110; NETGEAR Rax15 Firmware 1.0.2.82; NETGEAR Rax200 Firmware 1.0.3.106; NETGEAR Rax20 Firmware 1.0.2.82; NETGEAR Rax45 Firmware 1.0.2.32; NETGEAR Rax50 Firmware 1.0.2.32; NETGEAR Rax75 Firmware 1.0.3.106; NETGEAR Rax80 Firmware 1.0.3.106; NETGEAR Rbk752 Firmware 3.2.16.6; NETGEAR Rbr750 Firmware 3.2.16.6. Check the vendor advisory for mitigations.

References

• https://kb.netgear.com/000063779/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Routers-and-WiFi-Systems-PSV-2020-0225
• https://kb.netgear.com/000063779/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Routers-and-WiFi-Systems-PSV-2020-0225

Get alerted when CVE-2021-38524 or the next vulnerability affects your stack