CVE-2026-55728

published 2026-07-24

CVE-2026-55728: 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…

Priority P4 21 low 3.8 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

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.

Affected

8 ranges

Vendor	Product	Version range	Fixed in
loytec	l-dali	<= 8.4.16	—
loytec	l-gate	<= 8.4.16	—
loytec	l-inx	<= 8.4.16	—
loytec	l-iob	<= 8.4.16	—
loytec	l-pad	<= 8.4.16	—
loytec	l-roc	<= 8.4.16	—
loytec	l-vis	<= 8.4.16	—
loytec	lip-me20xc	<= 8.4.16	—

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CWE-121