CVE-2025-9357: Linksys RE6250/RE6300/RE6350/RE6500/RE7000/RE9000 langSwitchByBBS stack-based overflow

Published Aug 23, 2025
·
Updated

A vulnerability was identified in Linksys RE6250, RE6300, RE6350, RE6500, RE7000 and RE9000 1.0.013.001/1.0.04.001/1.0.04.002/1.1.05.003/1.2.07.001. This affects the function langSwitchByBBS of the file /goform/langSwitchByBBS. The manipulation of the argument langSelectionOnly leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected Software

18 affected components
LinkSys RE6250
LinkSys RE6300
LinkSys RE6350
LinkSys RE6500
LinkSys RE7000
LinkSys RE9000
All of the following
LinkSys Re6250 Firmware=1.0.04.001
LinkSys RE6250
All of the following
LinkSys Re6300 Firmware=1.2.07.001
LinkSys RE6300
All of the following
LinkSys Re6350 Firmware=1.0.04.001
LinkSys RE6350
All of the following
LinkSys Re7000 Firmware=1.1.05.003
LinkSys RE7000
All of the following
LinkSys Re9000 Firmware=1.0.04.002
LinkSys RE9000
All of the following
LinkSys Re6500 Firmware=1.0.013.001
LinkSys RE6500

Event History

Aug 23, 2025
CVE Published
via MITRE·06:02 AM
Data Sourced
via MITRE·06:02 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·06:15 AM
DescriptionSeverityWeaknessAffected Software
Feb 28, 57989
Event
via FIRST·05:42 AM
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Frequently Asked Questions

1

What is the severity of CVE-2025-9357?

The severity of CVE-2025-9357 is classified as a high-risk vulnerability affecting several Linksys routers.

2

How do I fix CVE-2025-9357?

To fix CVE-2025-9357, update your Linksys router to the latest firmware version provided by the manufacturer.

3

Which devices are affected by CVE-2025-9357?

CVE-2025-9357 affects Linksys RE6250, RE6300, RE6350, RE6500, RE7000, and RE9000 models.

4

What is the nature of the vulnerability in CVE-2025-9357?

CVE-2025-9357 involves improper handling of the langSelectionOnly argument in the langSwitchByBBS function.

5

Can CVE-2025-9357 be exploited remotely?

Yes, CVE-2025-9357 can be exploited remotely, potentially allowing unauthorized access to the device.

Contact

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