CVE-2026-12502 Loytec LINX firmware: Improper Privilege Management in /usr/bin/ltsudo

High 8.4 Published Updated

A superadmin user can reset passwords for any LARM user, including service accounts, leading to privilege escalation and account takeover.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-12502?

CVE-2026-12502 is a high-severity vulnerability in Loytec L-DALI, published on 24 Jul 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Improper Privilege Management (CWE-269) in `/usr/bin/ltsudo` 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 reset the password of any LARM user (including the `larmapp` service account) via the `set-passwd` subcommand.

Weakness: CWE-269

Which versions are affected by CVE-2026-12502?

How do I fix CVE-2026-12502?

No fix has been published for CVE-2026-12502 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-12502 being exploited?

There is no known exploitation of CVE-2026-12502 in the wild and no public exploit code.

Sources

Also known as GHSA-x5vq-r47f-779j.

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