Review reviewHigh

CVE-2026-44409

ZTE MU5250, mu5250 firmware, mu5250

There is an an information disclosure vulnerability in ZTE MU5250. Due to improper configuration of the access control mechanism, attackers can obtain information without authorization, causing the risk of information disclosure.

CVSS
7.5
EPSS
0.22%
12.1% percentile
CISA KEV
Not listed
Published
2026.05.22
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.22%
Technical severityCVSS 7.5

Vulnerability overview

There is an an information disclosure vulnerability in ZTE MU5250. Due to improper configuration of the access control mechanism, attackers can obtain information without authorization, causing the risk of information disclosure.

Affected product and versions

Product
ZTE MU5250, mu5250 firmware, mu5250
Affected versions
>= BD_FLYMODEMMU5250V1.0.0B27, 1.0.0b27
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 ZTE MU5250, mu5250 firmware, mu5250 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:H/I:N/A:N
CWE
CWE-200, CWE-862