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`.
Project Subscriptions
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Advisories
No advisories yet.
Fixes
Solution
Upgrade to firmware 8.4.18.
Workaround
No workaround given by the vendor.
References
History
Fri, 24 Jul 2026 18:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | 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`. | |
| Title | Loytec LINX firmware: Improper Link Resolution in /usr/bin/larm_starter | |
| Weaknesses | CWE-59 | |
| References |
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| Metrics |
cvssV4_0
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Projects
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Status: PUBLISHED
Assigner: NCSC.ch
Published:
Updated: 2026-07-24T14:57:47.202Z
Reserved: 2026-06-17T09:48:11.206Z
Link: CVE-2026-12503
Updated: 2026-07-24T14:57:41.733Z
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OpenCVE Enrichment
No data.
Weaknesses