CVE-2025-8827 Linksys RE6250/RE6300/RE6350/RE6500/RE7000/RE9000 RP_setBasicAuto um_inspect_cross_band os command injection

Medium 5.3 Published 11 Aug 2025 Updated 12 Aug 2025

Remote attackers can execute arbitrary OS commands on Linksys range extenders via the staticGateway parameter in the RP_setBasicAuto endpoint.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2025-8827?

CVE-2025-8827 is a medium-severity command injection vulnerability in Linksys Re6250 Firmware, published on 11 Aug 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability was found in Linksys RE6250, RE6300, RE6350, RE6500, RE7000 and RE9000 up to 20250801. This issue affects the function um_inspect_cross_band of the file /goform/RP_setBasicAuto. The manipulation of the argument staticGateway leads to os command injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-78, CWE-77

Which versions are affected by CVE-2025-8827?

It affects 6 products.

Products include Linksys Re6250 Firmware, Linksys Re6300 Firmware, Linksys Re6350 Firmware, Linksys Re6500 Firmware, Linksys Re7000 Firmware, Linksys Re9000 Firmware.

How do I fix CVE-2025-8827?

No fix has been published for CVE-2025-8827 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2025-8827 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-8827 exists.

All Linksys Re6250 Firmware vulnerabilities

Sources

Also known as GHSA-g8c8-r6qc-84f3.