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CVE-2021-45610: Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects D6220 before 1.0.0.66, D6400 before 1.0.0.100, D7000v2 before 1.0.0.66, D8500 before 1.0.3.58,...

CVE-2021-45610 · published 4 years ago

Summary

What to do

Update netgear d6220_firmware to version 1.0.0.66 or later.
Update netgear d6400_firmware to version 1.0.0.100 or later.
Update netgear d7000v2_firmware to version 1.0.0.66 or later.
Update netgear d8500_firmware to version 1.0.3.58 or later.
Update netgear dc112a_firmware to version 1.0.0.52 or later.
Update netgear dgn2200v4_firmware to version 1.0.0.118 or later.
Update netgear eax80_firmware to version 1.0.1.64 or later.
Update netgear r6250_firmware to version 1.0.4.48 or later.
Update netgear r7000_firmware to version 1.0.11.110 or later.
Update netgear r7000p_firmware to version 1.3.2.132 or later.
Update netgear r8000_firmware to version 1.0.4.62 or later.
Update netgear r8000p_firmware to version 1.4.1.64 or later.
Update netgear r7100lg_firmware to version 1.0.0.72 or later.
Update netgear r7900_firmware to version 1.0.4.30 or later.
Update netgear r7900p_firmware to version 1.4.1.64 or later.
Update netgear r7960p_firmware to version 1.4.1.64 or later.
Update netgear r6900p_firmware to version 1.3.2.132 or later.
Update netgear r6400v2_firmware to version 1.0.4.106 or later.
Update netgear r6700v3_firmware to version 1.0.4.106 or later.
Update netgear xr300_firmware to version 1.0.3.68 or later.
Update netgear rs400_firmware to version 1.5.1.80 or later.
Update netgear rax200_firmware to version 1.0.3.106 or later.
Update netgear rax20_firmware to version 1.0.2.82 or later.
Update netgear rax45_firmware to version 1.0.2.82 or later.
Update netgear rax80_firmware to version 1.0.3.106 or later.
Update netgear rax15_firmware to version 1.0.2.82 or later.
Update netgear rax50_firmware to version 1.0.2.82 or later.
Update netgear rax75_firmware to version 1.0.3.106 or later.

Affected software

Vendor	Product	Affected versions
netgear	d6220_firmware	< 1.0.0.66 `cpe:2.3:o:netgear:d6220_firmware::::::::`
netgear	d6400_firmware	< 1.0.0.100 `cpe:2.3:o:netgear:d6400_firmware::::::::`
netgear	d7000v2_firmware	< 1.0.0.66 `cpe:2.3:o:netgear:d7000v2_firmware::::::::`
netgear	d8500_firmware	< 1.0.3.58 `cpe:2.3:o:netgear:d8500_firmware::::::::`
netgear	dc112a_firmware	< 1.0.0.52 `cpe:2.3:o:netgear:dc112a_firmware::::::::`
netgear	dgn2200v4_firmware	< 1.0.0.118 `cpe:2.3:o:netgear:dgn2200v4_firmware::::::::`
netgear	eax80_firmware	< 1.0.1.64 `cpe:2.3:o:netgear:eax80_firmware::::::::`
netgear	r6250_firmware	< 1.0.4.48 `cpe:2.3:o:netgear:r6250_firmware::::::::`
netgear	r7000_firmware	< 1.0.11.110 `cpe:2.3:o:netgear:r7000_firmware::::::::`
netgear	r7000p_firmware	< 1.3.2.132 `cpe:2.3:o:netgear:r7000p_firmware::::::::`
netgear	r8000_firmware	< 1.0.4.62 `cpe:2.3:o:netgear:r8000_firmware::::::::`
netgear	r8000p_firmware	< 1.4.1.64 `cpe:2.3:o:netgear:r8000p_firmware::::::::`
netgear	r7100lg_firmware	< 1.0.0.72 `cpe:2.3:o:netgear:r7100lg_firmware::::::::`
netgear	r7900_firmware	< 1.0.4.30 `cpe:2.3:o:netgear:r7900_firmware::::::::`
netgear	r7900p_firmware	< 1.4.1.64 `cpe:2.3:o:netgear:r7900p_firmware::::::::`
netgear	r7960p_firmware	< 1.4.1.64 `cpe:2.3:o:netgear:r7960p_firmware::::::::`
netgear	r6900p_firmware	< 1.3.2.132 `cpe:2.3:o:netgear:r6900p_firmware::::::::`
netgear	r6400v2_firmware	< 1.0.4.106 `cpe:2.3:o:netgear:r6400v2_firmware::::::::`
netgear	r6700v3_firmware	< 1.0.4.106 `cpe:2.3:o:netgear:r6700v3_firmware::::::::`
netgear	xr300_firmware	< 1.0.3.68 `cpe:2.3:o:netgear:xr300_firmware::::::::`
netgear	rs400_firmware	< 1.5.1.80 `cpe:2.3:o:netgear:rs400_firmware::::::::`
netgear	rax200_firmware	< 1.0.3.106 `cpe:2.3:o:netgear:rax200_firmware::::::::`
netgear	rax20_firmware	< 1.0.2.82 `cpe:2.3:o:netgear:rax20_firmware::::::::`
netgear	rax45_firmware	< 1.0.2.82 `cpe:2.3:o:netgear:rax45_firmware::::::::`
netgear	rax80_firmware	< 1.0.3.106 `cpe:2.3:o:netgear:rax80_firmware::::::::`
netgear	rax15_firmware	< 1.0.2.82 `cpe:2.3:o:netgear:rax15_firmware::::::::`
netgear	rax50_firmware	< 1.0.2.82 `cpe:2.3:o:netgear:rax50_firmware::::::::`
netgear	rax75_firmware	< 1.0.3.106 `cpe:2.3:o:netgear:rax75_firmware::::::::`

Original advisory text

Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects D6220 before 1.0.0.66, D6400 before 1.0.0.100, D7000v2 before 1.0.0.66, D8500 before 1.0.3.58, DC112A before 1.0.0.52, DGN2200v4 before 1.0.0.118, EAX80 before 1.0.1.64, R6250 before 1.0.4.48, R7000 before 1.0.11.110, R7100LG before 1.0.0.72, R7900 before 1.0.4.30, R7960P before 1.4.1.64, R8000 before 1.0.4.62, RAX200 before 1.0.3.106, RS400 before 1.5.1.80, XR300 before 1.0.3.68, R6400v2 before 1.0.4.106, R7000P before 1.3.2.132, R8000P before 1.4.1.64, RAX20 before 1.0.2.82, RAX45 before 1.0.2.82, RAX80 before 1.0.3.106, R6700v3 before 1.0.4.106, R6900P before 1.3.2.132, R7900P before 1.4.1.64, RAX15 before 1.0.2.82, RAX50 before 1.0.2.82, and RAX75 before 1.0.3.106.

References

https://kb.netgear.com/000064487/Security-Advisory-for-Pre-Authentication-Buffer... Patch Vendor Advisory

Fix within

Internet-facing 3 days

Internal 60 days

Not known to be exploited
Can be exploited automatically (estimated)
Gives an attacker full control (estimated)

Severity

9.8 Critical

Exploitation

1% chance of attack within 30 days

Type

CWE-120Classic Buffer Overflow

Timeline

Published26 Dec 2021

Updated31 Oct 2026

First seen29 Sep 2026

Sources

CVE-2021-45610 · NVD

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