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CVE-2021-45671: Certain NETGEAR devices are affected by stored XSS. This affects CBR40 before 2.5.0.10, EAX80 before 1.0.1.62, EX7500 before 1.0.0.72, R7900 before 1.0.4.38, R8000 before 1.0.4.68, RAX200 before 1....

CVE-2021-45671 · published 4 years ago

Summary

What to do

Update netgear rax200_firmware to version 1.0.4.120 or later.
Update netgear mr60_firmware to version 1.0.6.110 or later.
Update netgear rax20_firmware to version 1.0.2.82 or later.
Update netgear rax45_firmware to version 1.0.2.72 or later.
Update netgear rax80_firmware to version 1.0.4.120 or later.
Update netgear ms60_firmware to version 1.0.6.110 or later.
Update netgear rax15_firmware to version 1.0.2.82 or later.
Update netgear rax50_firmware to version 1.0.2.72 or later.
Update netgear rax75_firmware to version 1.0.4.120 or later.
Update netgear rbr750_firmware to version 3.2.16.6 or later.
Update netgear rbr850_firmware to version 3.2.16.6 or later.
Update netgear rbs750_firmware to version 3.2.16.6 or later.
Update netgear rbs850_firmware to version 3.2.16.6 or later.
Update netgear rbk752_firmware to version 3.2.16.6 or later.
Update netgear rbk852_firmware to version 3.2.16.6 or later.
Update netgear cbr40_firmware to version 2.5.0.10 or later.
Update netgear eax80_firmware to version 1.0.1.62 or later.
Update netgear ex7500_firmware to version 1.0.0.72 or later.
Update netgear r7900_firmware to version 1.0.4.38 or later.
Update netgear r8000_firmware to version 1.0.4.68 or later.
Update netgear rbs40v_firmware to version 2.6.1.4 or later.
Update netgear rbw30_firmware to version 2.6.1.4 or later.

Affected software

Vendor	Product	Affected versions
netgear	rax200_firmware	< 1.0.4.120 `cpe:2.3:o:netgear:rax200_firmware::::::::`
netgear	mr60_firmware	< 1.0.6.110 `cpe:2.3:o:netgear:mr60_firmware::::::::`
netgear	rax20_firmware	< 1.0.2.82 `cpe:2.3:o:netgear:rax20_firmware::::::::`
netgear	rax45_firmware	< 1.0.2.72 `cpe:2.3:o:netgear:rax45_firmware::::::::`
netgear	rax80_firmware	< 1.0.4.120 `cpe:2.3:o:netgear:rax80_firmware::::::::`
netgear	ms60_firmware	< 1.0.6.110 `cpe:2.3:o:netgear:ms60_firmware::::::::`
netgear	rax15_firmware	< 1.0.2.82 `cpe:2.3:o:netgear:rax15_firmware::::::::`
netgear	rax50_firmware	< 1.0.2.72 `cpe:2.3:o:netgear:rax50_firmware::::::::`
netgear	rax75_firmware	< 1.0.4.120 `cpe:2.3:o:netgear:rax75_firmware::::::::`
netgear	rbr750_firmware	< 3.2.16.6 `cpe:2.3:o:netgear:rbr750_firmware::::::::`
netgear	rbr850_firmware	< 3.2.16.6 `cpe:2.3:o:netgear:rbr850_firmware::::::::`
netgear	rbs750_firmware	< 3.2.16.6 `cpe:2.3:o:netgear:rbs750_firmware::::::::`
netgear	rbs850_firmware	< 3.2.16.6 `cpe:2.3:o:netgear:rbs850_firmware::::::::`
netgear	rbk752_firmware	< 3.2.16.6 `cpe:2.3:o:netgear:rbk752_firmware::::::::`
netgear	rbk852_firmware	< 3.2.16.6 `cpe:2.3:o:netgear:rbk852_firmware::::::::`
netgear	cbr40_firmware	< 2.5.0.10 `cpe:2.3:o:netgear:cbr40_firmware::::::::`
netgear	eax80_firmware	< 1.0.1.62 `cpe:2.3:o:netgear:eax80_firmware::::::::`
netgear	ex7500_firmware	< 1.0.0.72 `cpe:2.3:o:netgear:ex7500_firmware::::::::`
netgear	r7900_firmware	< 1.0.4.38 `cpe:2.3:o:netgear:r7900_firmware::::::::`
netgear	r8000_firmware	< 1.0.4.68 `cpe:2.3:o:netgear:r8000_firmware::::::::`
netgear	rbs40v_firmware	< 2.6.1.4 `cpe:2.3:o:netgear:rbs40v_firmware::::::::`
netgear	rbw30_firmware	< 2.6.1.4 `cpe:2.3:o:netgear:rbw30_firmware::::::::`

Original advisory text

Certain NETGEAR devices are affected by stored XSS. This affects CBR40 before 2.5.0.10, EAX80 before 1.0.1.62, EX7500 before 1.0.0.72, R7900 before 1.0.4.38, R8000 before 1.0.4.68, RAX200 before 1.0.4.120, RBS40V before 2.6.1.4, RBW30 before 2.6.1.4, MR60 before 1.0.6.110, RAX20 before 1.0.2.82, RAX45 before 1.0.2.72, RAX80 before 1.0.4.120, MS60 before 1.0.6.110, RAX15 before 1.0.2.82, RAX50 before 1.0.2.72, RAX75 before 1.0.4.120, RBR750 before 3.2.16.6, RBR850 before 3.2.16.6, RBS750 before 3.2.16.6, RBS850 before 3.2.16.6, RBK752 before 3.2.16.6, and RBK852 before 3.2.16.6.

References

https://kb.netgear.com/000064482/Security-Advisory-for-Stored-Cross-Site-Scripti... Patch Vendor Advisory

Fix within

Internet-facing 60 days

Internal At next upgrade

Not known to be exploited
Needs hands-on effort to exploit (estimated)
Gives an attacker partial control (estimated)

Severity

4.8 Medium

Exploitation

<1% chance of attack within 30 days

Type

CWE-79Cross-site Scripting (XSS)

Timeline

Published26 Dec 2021

Updated4 Nov 2026

First seen29 Sep 2026

Sources

CVE-2021-45671 · NVD

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