CVE-2026-55728

LowCVSS 3.8/10Last modified Jul 27, 2026

Description

Stack-based Buffer Overflow (CWE-121) in `/usr/bin/ltsudo` `cmd_ipaddr_conflict` in Loytec LIP-ME201C, L-INX, L-GATE, L-ROC, L-IOB, L-DALI, L-VIS and L-PAD through 8.4.16 on LINX-A64 allows a `superadmin`-group attacker to trigger a SUID-root process abort or potentially elevate privileges via an overly long interface-name argument.

Metrics

CVSS 4.0 3.8/10

CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:U/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

Weakness enumeration

CWE-121

Affected software

Vendor	Product	Versions
Loytec	LIP-ME20xC	<= 8.4.16
Loytec	L-INX	<= 8.4.16
Loytec	L-GATE	<= 8.4.16
Loytec	L-ROC	<= 8.4.16
Loytec	L-IOB	<= 8.4.16
Loytec	L-DALI	<= 8.4.16
Loytec	L-VIS	<= 8.4.16
Loytec	L-PAD	<= 8.4.16

References

https://www.loytec.com/support/product-security/advisories/8523-dibt-cve-20260526-0005-stack-buffer-overflow-in-cmd_ipaddr_conflict-low

Timeline

Published: Jul 24, 2026
Last modified: Jul 27, 2026
NVD status: Deferred

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