RCE in Linksys Re6250

CVE-2025-5443

A vulnerability, which was classified as critical, was found in Linksys RE6500, RE6250, RE6300, RE6350, RE7000 and RE9000 1.0.013.001/1.0.04.001/1.0.04.002/1.1.05.003/1.2.07.001. Affected is the function wirelessAdvancedHidden of the file /goform/wirelessAdvancedHidden. The manipulation of the argument ExtChSelector/24GSelector/5GSelector leads to os command injection. It is possible to launch the attack 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: 0.213 (97.3th 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-2025-5443?
CVE-2025-5443 is a medium-severity vulnerability in Linksys Re6250, classified under Command Injection. CVSS score: 6.3/10. Published 2025-06-02.
How severe is CVE-2025-5443?
Medium severity. CVSS v3 base score is 6.3 out of 10.
Is CVE-2025-5443 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.