RCE in Linksys E5600

CVE-2025-45489

Linksys E5600 v1.1.0.26 was discovered to contain a command injection vulnerability in the runtime.ddnsStatus DynDNS function via the hostname parameter.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.019 (77.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-45489?
CVE-2025-45489 is a critical-severity vulnerability in Linksys E5600, classified under Command Injection. CVSS score: 9.8/10. Published 2025-05-06.
How severe is CVE-2025-45489?
Critical severity. CVSS v3 base score is 9.8 out of 10.