# CVE-2026-12504

## Summary

- **CVE ID:** CVE-2026-12504
- **Severity:** HIGH
- **CVSS Score:** 8.4 (CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N)
- **CWE:** CWE-287, CWE-521
- **Published:** Jul 24, 2026
- **Last Modified:** Jul 24, 2026

## Description

Improper Authentication (CWE-287) in the PAM configuration 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 local attacker to authenticate as a uid=0 account without a password and obtain a root shell via an `/etc/passwd` entry with an empty password field.

## Affected Products

- Loytec — LIP-ME20xC (0)
- Loytec — L-INX (0)
- Loytec — L-GATE (0)
- Loytec — L-ROC (0)
- Loytec — L-IOB (0)
- Loytec — L-DALI (0)
- Loytec — L-VIS (0)
- Loytec — L-PAD (0)

## References

- [CNA](https://www.loytec.com/support/product-security/advisories/8521-dibt-cve-20260526-0003-pam-passwordless-uid-0-authentication-high)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.13%
- **EPSS Percentile:** 2.8

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._