PatchTheCVECVE-2026-71992: MSI Radix AXE6600 router firmware version v781521 contains a command injection vulnerability in the macfilter
CVE-2026-71992 is a critical-severity flaw (CVSS 9.8) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
MSI Radix AXE6600 router firmware version v781521 contains a command injection vulnerability in the macfilter function that allows remote attackers to execute arbitrary commands on the affected device. Attackers can exploit the macfilter function to inject malicious commands and obtain root privileges on the underlying system.
Why this priority
- Critical severity
- CISA SSVC: automatable with total technical impact
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 9.8 (Critical) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 2.5% (top 16%) |
| CISA exploited list | No |
| Weakness | CWE-78 |
| Published | 2026-08-09 |
| Last modified | 2026-10-23 |
Last updated 2026-10-23 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Timeline
- Published CVE record published
- Updated Record last modified
Exact fixes by distribution
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-2026-71992?
No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.
Is CVE-2026-71992 being exploited?
CVE-2026-71992 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-2026-71992 affect?
CVE-2026-71992 affects affected software. Severity is critical (CVSS 9.8). MSI Radix AXE6600 router firmware version v781521 contains a command injection vulnerability in the macfilter function that allows remote attackers to execute arbitrary commands on the affected device. Attackers can exploit the macfilter fu
How urgent is CVE-2026-71992?
Priority 63/100. Critical severity; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action