CVE-2026-111735 P-Net - Integer Underflow

P-Net before 1.0.3 contains an integer underflow caused by improper offset calculation in pf_cpm_c_data_ind() when handling short cyclic data frames, letting attackers cause denial of service or memory disclosure, exploit requires crafted short frame.

CVSS base score 7.1 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.17% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Integer Underflow
Impact
Denial Of Service, Information Disclosure
CVSS vector
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/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-125

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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