CVE-2025-8830 Linksys RE6250/RE6300/RE6350/RE6500/RE7000/RE9000 setWan sub_3517C os command injection

Medium 5.3 Published 11 Aug 2025 Updated 11 Aug 2025

Remote attackers can execute arbitrary OS commands via the Hostname parameter in the setWan interface of 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-2025-8830?

CVE-2025-8830 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 has been found in Linksys RE6250, RE6300, RE6350, RE6500, RE7000 and RE9000 up to 20250801. Affected by this issue is the function sub_3517C of the file /goform/setWan. The manipulation of the argument Hostname leads to os command injection. The attack may be launched 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-2025-8830?

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-2025-8830?

No fix has been published for CVE-2025-8830 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-2025-8830 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-8830 exists.

All Linksys Re6250 Firmware vulnerabilities

Sources

Also known as GHSA-2cq7-38m8-q637.