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8.8

CVE-2021-45530: Certain NETGEAR devices are affected by a buffer overflow by an authenticated user. This affects R7000 before 1.0.11.126, R7960P before 1.4.2.84, R8000 before 1.0.4.74, RAX200 before 1.0.4.120, R80...

CVE-2021-45530 · published 4 years ago
Summary

Certain NETGEAR devices are affected by a buffer overflow by an authenticated user. This affects R7000 before 1.0.11.126, R7960P before 1.4.2.84, R8000 before 1.0.4.74, RAX200 before 1.0.4.120, R8000P before 1.4.2.84, RAX20 before 1.0.2.82, RAX45 before 1.0.2.82, RAX80 before 1.0.4.120, R7900P befor...

What to do
  • Update netgear r7000_firmware to version 1.0.11.126 or later.
  • Update netgear r7000p_firmware to version 1.4.2.84 or later.
  • Update netgear r7960p_firmware to version 1.4.2.84 or later.
  • Update netgear r8000_firmware to version 1.0.4.74 or later.
  • Update netgear r8000p_firmware to version 1.4.2.84 or later.
  • Update netgear rax20_firmware to version 1.0.2.82 or later.
  • Update netgear rax200_firmware to version 1.0.4.120 or later.
  • Update netgear rax45_firmware to version 1.0.2.82 or later.
  • Update netgear rax15_firmware to version 1.0.2.82 or later.
  • Update netgear rax75_firmware to version 1.0.4.120 or later.
  • Update netgear rax80_firmware to version 1.0.4.120 or later.
  • Update netgear rax50_firmware to version 1.0.2.82 or later.
Affected software
VendorProductAffected versions
netgear r7000_firmware < 1.0.11.126
cpe:2.3:o:netgear:r7000_firmware:*:*:*:*:*:*:*:*
netgear r7000p_firmware < 1.4.2.84
cpe:2.3:o:netgear:r7000p_firmware:*:*:*:*:*:*:*:*
netgear r7960p_firmware < 1.4.2.84
cpe:2.3:o:netgear:r7960p_firmware:*:*:*:*:*:*:*:*
netgear r8000_firmware < 1.0.4.74
cpe:2.3:o:netgear:r8000_firmware:*:*:*:*:*:*:*:*
netgear r8000p_firmware < 1.4.2.84
cpe:2.3:o:netgear:r8000p_firmware:*:*:*:*:*:*:*:*
netgear rax20_firmware < 1.0.2.82
cpe:2.3:o:netgear:rax20_firmware:*:*:*:*:*:*:*:*
netgear rax200_firmware < 1.0.4.120
cpe:2.3:o:netgear:rax200_firmware:*:*:*:*:*:*:*:*
netgear rax45_firmware < 1.0.2.82
cpe:2.3:o:netgear:rax45_firmware:*:*:*:*:*:*:*:*
netgear rax15_firmware < 1.0.2.82
cpe:2.3:o:netgear:rax15_firmware:*:*:*:*:*:*:*:*
netgear rax75_firmware < 1.0.4.120
cpe:2.3:o:netgear:rax75_firmware:*:*:*:*:*:*:*:*
netgear rax80_firmware < 1.0.4.120
cpe:2.3:o:netgear:rax80_firmware:*:*:*:*:*:*:*:*
netgear rax50_firmware < 1.0.2.82
cpe:2.3:o:netgear:rax50_firmware:*:*:*:*:*:*:*:*
Original advisory text
Certain NETGEAR devices are affected by a buffer overflow by an authenticated user. This affects R7000 before 1.0.11.126, R7960P before 1.4.2.84, R8000 before 1.0.4.74, RAX200 before 1.0.4.120, R80...
Certain NETGEAR devices are affected by a buffer overflow by an authenticated user. This affects R7000 before 1.0.11.126, R7960P before 1.4.2.84, R8000 before 1.0.4.74, RAX200 before 1.0.4.120, R8000P before 1.4.2.84, RAX20 before 1.0.2.82, RAX45 before 1.0.2.82, RAX80 before 1.0.4.120, R7900P before 1.4.2.84, RAX15 before 1.0.2.82, RAX50 before 1.0.2.82, and RAX75 before 1.0.4.120.
Fix within
Internet-facing 14 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit (estimated)
  • Gives an attacker full control (estimated)
Severity
8.8 High
Exploitation
<1% chance of attack within 30 days
Type
CWE-120Classic Buffer Overflow
Timeline
Published26 Dec 2021
Updated3 Nov 2026
First seen29 Sep 2026
Sources
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