CVE-2026-44409: There is an an information disclosure vulnerability in ZTE MU5250

Routine

MEDIUM 5.7MITIGATE

CVE-2026-44409 is a medium-severity flaw (CVSS 5.7) affecting mu5250 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.7 (Medium)
Attack vector	Adjacent network
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.2% (top 88%)
CISA exploited list	No
Weakness	CWE-200, CWE-862
Published	2026-05-22
Last modified	2026-07-23

Publisher (CNA): ZTE Corporation · Vendor: zte

Last updated 2026-07-23 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-05-22 05:16 UTCPublished CVE record published
2026-07-23 16:10 UTCUpdated Record last modified

zte mu5250 firmware MITIGATE

Affected: 1.0.0b27

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0.0b27

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-44409?

mu5250 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-44409 being exploited?

CVE-2026-44409 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-44409 affect?

CVE-2026-44409 affects mu5250 firmware. Severity is medium (CVSS 5.7). 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.

How urgent is CVE-2026-44409?

Priority 23/100. No elevated risk signals yet.

Software pages

ZTE vulnerabilities

References

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