Improper input validation in Unisoc (Shanghai) Technologies Co., Ltd. Udx710

CVE-2026-21554

In modem, there is a possible improper input validation. This could lead to remote denial of service with no additional execution privileges needed

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.007 (53.4th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 53.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-21554: held from 0.007 to 0.007.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-21554?
CVE-2026-21554 is a high-severity vulnerability in Unisoc (Shanghai) Technologies Co., Ltd. Udx710, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2026-08-03.
How severe is CVE-2026-21554?
High severity. CVSS v3 base score is 7.5 out of 10.