PatchTheCVECVE-2026-5509: An authenticated command injection vulnerability exists in the Archer BE450 v1 and BE7200 v1 router that allow
CVE-2026-5509 is a high-severity flaw (CVSS 7.2) affecting archer be450 firmware, archer be7200 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
An authenticated command injection vulnerability exists in the Archer BE450 v1 and BE7200 v1 router that allows an administrator to execute arbitrary system commands through the web management interface. After successfully authenticating to the admin interface, an attacker can leverage the browser’s developer console by supplying a crafted input that is passed to backend system commands without adequate sanitization. Successful exploitation ena
Why this priority
- High severity
A fixed release or distro patch exists.
Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-5509?
archer be450 firmware: upgrade to 1.3.0; archer be7200 firmware: upgrade to 1.3.0. Exact commands for each OS are on this page.
Is CVE-2026-5509 being exploited?
CVE-2026-5509 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-5509 affect?
CVE-2026-5509 affects archer be450 firmware, archer be7200 firmware. Severity is high (CVSS 7.2). An authenticated command injection vulnerability exists in the Archer BE450 v1 and BE7200 v1 router that allows an administrator to execute arbitrary system commands through the web management interface. After successfully authenticating to
How urgent is CVE-2026-5509?
Priority 46/100. High severity