CVE-2025-9575 Linksys RE6250/RE6300/RE6350/RE6500/RE7000/RE9000 upload.cgi cgiMain os command injection

Medium 5.3 Published 28 Aug 2025 Updated 28 Aug 2025

Remote attackers can execute arbitrary OS commands via the filename argument in upload.cgi on Linksys range extenders.

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-2025-9575?

CVE-2025-9575 is a medium-severity command injection vulnerability in Linksys Re6250 Firmware, published on 28 Aug 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability was determined 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 issue affects the function cgiMain of the file /cgi-bin/upload.cgi. Executing manipulation of the argument filename can lead to os command injection. The attack may be performed from a remote location. The exploit has been publicly disclosed and may be utilized. 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-2025-9575?

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-2025-9575?

No fix has been published for CVE-2025-9575 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-2025-9575 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-9575 exists.

All Linksys Re6250 Firmware vulnerabilities

Sources

Also known as GHSA-qh3h-2x77-r3c4.