CVE-2026-12504: 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 atta
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.
Details
Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-12504
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-125040.13% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 3% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-12504 | coverage & exploitation status | NVD · CVE.org |
Recent advisories for Improper Authentication
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- mediumCVE-2026-67294: FreeRDP before 3.29.0 improperly validates the Extended Key Usage (EKU) purpose of the peer ce…nvd · 2026-08-01
- unknownCVE-2025-67650: An authenticated SQL injection vulnerability has been identified in multiple PHP Jabbers scrip…nvd · 2026-07-31
- criticalCVE-2026-18245: Improper control of code generation in Amazon @aws-amplify/codegen-ui-react before 2.20.6 migh…nvd · 2026-07-30
- highCVE-2026-12945: IBM Langflow OSS 1.0.0 through 1.10.1 allows authenticated users to access and manipulate othe…nvd · 2026-07-30
- unknownCVE-2026-23981: An Improper Authorization vulnerability exists in Apache Superset allowing an authenticated us…nvd · 2026-07-30
- highCVE-2026-22622: Improper input validation in one of the session management interface of Eaton's Tripp Lite ser…nvd · 2026-07-30
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