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Vulnerability record · CVE-2026-71983 · published 8 August 2026

CVE-2026-71983: OS command injection vulnerability

MSI Radix AXE6600 router firmware version v781521 contains a command injection vulnerability in the wps.cgi interface that allows remote attackers to execute arbitrary commands by injecting malicious input through the pin2g, pin5g, or pin6g parameters. Attackers can exploit these unsanitized parameters to execute arbitrary commands on the affected device and obtain root privileges.

9.3 CVSS 4.0 Critical EPSS 2.5% · top 16.2% CWE-78 · OS command injection Deferred
9.3CVSS 4.0 base score
2.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
31 Aug 2026Last modified by NVD

Description

MSI Radix AXE6600 router firmware version v781521 contains a command injection vulnerability in the wps.cgi interface that allows remote attackers to execute arbitrary commands by injecting malicious input through the pin2g, pin5g, or pin6g parameters. Attackers can exploit these unsanitized parameters to execute arbitrary commands on the affected device and obtain root privileges.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://us.msi.com/Networking/RadiX-AXE6600-WiFi-6E-Tri-Band-Gaming-Router/support
https://www.msi.com/
https://www.vulncheck.com/advisories/msi-radix-axe6600-v781521-command-injection-via-wps-cgi

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Source: NIST National Vulnerability Database (record CVE-2026-71983), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.