CVE-2026-71987: MSI Radix AXE6600 router firmware version v781521 cont
CVE-2026-71987 analysis covering impact, affected products, versions, remediation, and cross-checked defender guidance.
CVE-2026-71987 is a vulnerability published by NVD on 8/9/2026.
What happened
MSI Radix AXE6600 router firmware version v781521 contains a command injection vulnerability in the alg function that allows remote attackers to execute arbitrary commands on the affected device. Attackers can exploit this vulnerability through the alg function to execute malicious commands and obtain root privileges on the underlying system.
Affected products and versions
- NVD has not published a normalized affected-product configuration yet.
Severity and weakness
CVSS: CRITICAL 9.8. Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Weaknesses: CWE-78.
Known exploitation
No CISA KEV entry is currently attached to the NVD record.
What defenders should do
- Identify whether the affected product and version range exists in production.
- Review vendor advisories and release notes before change windows.
- Patch, upgrade, disable the vulnerable component, or apply vendor mitigations.
- Verify the running version after deployment, not only the package inventory.
Official and supporting references
- No vendor advisory tagged by NVD at draft time.