What is CVE-2026-108503?

CVE-2026-108503 is a low-severity vulnerability, classified under Incorrect Default Permissions. CVSS score: 3.3/10. Published 2026-10-10.

How severe is CVE-2026-108503?

Low severity. CVSS v3 base score is 3.3 out of 10.

CVE-2026-108503

CVE-2026-108503

ZTE Z80 Ultra has an interface permission validation vulnerability. The callable functions provided by the system lack sufficient access control. An attacker can leverage these functions to read relevant information.

Published 2026-10-10.

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Weakness classification (CWE)

CWE-276 — Incorrect Default Permissions

References

support.zte.com.cn/zte-iccp-isupport-webui/bulletin/detail/7927166620923281226

Frequently asked questions

What is CVE-2026-108503?: CVE-2026-108503 is a low-severity vulnerability, classified under Incorrect Default Permissions. CVSS score: 3.3/10. Published 2026-10-10.
How severe is CVE-2026-108503?: Low severity. CVSS v3 base score is 3.3 out of 10.