Review reviewHigh

CVE-2026-21554

Unisoc (Shanghai) Technologies Co., Ltd. UDX710

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

CVSS
7.5
EPSS
-
- percentile
CISA KEV
Not listed
Published
2026.08.03
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability-
Technical severityCVSS 7.5

Vulnerability overview

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

Affected product and versions

Product
Unisoc (Shanghai) Technologies Co., Ltd. UDX710
Affected versions
>= Yocto
Fixed versions
No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Unisoc (Shanghai) Technologies Co., Ltd. UDX710 and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
CWE-20
CVE-2026-21554 — Unisoc (Shanghai) Technologies Co., Ltd. UDX710 | SECUFOCUS NOW