CVE-2026-12503

published 2026-07-24

CVE-2026-12503: Improper Link Resolution (CWE-59) in `/usr/bin/larm_starter` in Loytec L-INX, L-GATE, L-ROC, L-IOB, L-DALI, L-VIS and L-PAD through 8.4.16 on LINX-A64 allows…

Priority P3 44 critical 9.2 CVSS 4.0

AV L AC L AT N PR H UI N VC H VI H VA H SC N SI H 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

Improper Link Resolution (CWE-59) in `/usr/bin/larm_starter` in Loytec L-INX, L-GATE, L-ROC, L-IOB, L-DALI, L-VIS and L-PAD through 8.4.16 on LINX-A64 allows an authenticated `larmapp` attacker to make `/etc/passwd` writable by the `larmapp` group (leading to root privilege escalation) via a symlink attack on `/etc/lighttpd/ssl/server.pem`.

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-59