RCE in Linksys Re6250

CVE-2025-8830

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.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.083 (94.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-8830?
CVE-2025-8830 is a medium-severity vulnerability in Linksys Re6250, classified under Command Injection. CVSS score: 6.3/10. Published 2025-08-11.
How severe is CVE-2025-8830?
Medium severity. CVSS v3 base score is 6.3 out of 10.
Is CVE-2025-8830 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.