CVE-2026-111732 P-Net - Buffer Overflow

P-Net before 1.0.3 contains a buffer overflow caused by improper length parsing in ARVendorBlock request when PNET_OPTION_AR_VENDOR_BLOCKS is enabled, letting attackers cause denial of service or remote code execution, exploit requires this option enabled.

CVSS base score 9.3 /10
Critical
CISA KEV
Not listed
Public exploit
None known
EPSS
0.40% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Buffer Overflow
Impact
Denial Of Service, Remote Code Execution
CVSS vector
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:X/V:X/RE:X/U:X
Published
29 October 2026
Updated
31 October 2026
Weakness
CWE-787

Vendor fix

Update to version 1.0.3 or later.

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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