RCE in Linksys E1700
CVE-2026-108894
A security flaw has been discovered in Linksys E1700 1.0.0.4.003. Impacted is the function addStaticRoute of the file /goform/addStaticRoute of the component Static Route Handler. Performing a manipulation of the argument staticRoute_IP_setting/staticRoute_Netmask_setting/staticRoute_Gateway_setting/staticRoute_Metric_setting results in os command injection. Remote exploitation of the attack is possible. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Vulnerability class: Command Injection (OS Command Injection)
Published .
CVSS v3 metric
CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Linksys E1700 — versions 1.0.0.4.003
Weakness classification (CWE)
References
- github.com/wudipjq/my_vuln/blob/main/Linksys3/vuln_68/68.md (exploit)
- vuldb.com/cve/CVE-2026-108894 (third-party-advisory)
- vuldb.com/submit/973113 (third-party-advisory)
- vuldb.com/vuln/416686 (technical-description, vdb-entry)
- vuldb.com/vuln/416686/cti (signature, permissions-required)
- www.linksys.com/ (product)
Frequently asked questions
- What is CVE-2026-108894?
- CVE-2026-108894 is a critical-severity vulnerability in Linksys E1700, classified under Command Injection. CVSS score: 9.9/10. Published 2026-10-12.
- How severe is CVE-2026-108894?
- Critical severity. CVSS v3 base score is 9.9 out of 10.