CVE-2026-90823 FatPipe MPVPN, WARP, and IPVPN - Remote Code Execution

FatPipe MPVPN, WARP, and IPVPN appliances 10.1.2r60p100 contain a stack-based buffer overflow caused by unchecked copy in /usr/sbin/auth_user_pass, letting unauthenticated remote attackers execute arbitrary code as root, exploit requires enabled management interface.

CVSS base score 9.8 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.68% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Remote Code Execution
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
17 September 2026
Updated
15 October 2026
Weakness
CWE-121

Vendor fix

Update to the latest firmware version or contact FatPipe for a patched release.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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