ZTE MU5250 BD_FLYMODEMV1.0.0B27 Web Interface improper authorization

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.9$0-$5k0.00

Summaryinfo

A vulnerability was found in ZTE MU5250 BD_FLYMODEMV1.0.0B27. It has been rated as critical. Affected by this vulnerability is an unknown functionality of the component Web Interface. The manipulation leads to improper authorization. This vulnerability is referenced as CVE-2026-44408. The attack needs to be initiated within the local network. No exploit is available.

Detailsinfo

A vulnerability was found in ZTE MU5250 BD_FLYMODEMV1.0.0B27 and classified as critical. This issue affects an unknown function of the component Web Interface. The manipulation with an unknown input leads to a improper authorization vulnerability. Using CWE to declare the problem leads to CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

There is an unauthorized access vulnerability in ZTE MU5250. Due to improper permission control of the Web interface, an unauthorized attacker can  modify configuration through the interface.

The weakness was published by Duc Anh Nguyen. It is possible to read the advisory at support.zte.com.cn. The identification of this vulnerability is CVE-2026-44408 since 05/06/2026. The exploitation is known to be easy. The attack needs to approached within the local network. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/19/2026). The attack technique deployed by this issue is T1548.002 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.9

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 6.3
CNA Vector (zte): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper authorization
CWE: CWE-285 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

05/06/2026 CVE reserved
05/19/2026 +13 days Advisory disclosed
05/19/2026 +0 days VulDB entry created
05/19/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: zte.com.cn

Advisory: support.zte.com.cn
Researcher: Duc Anh Nguyen
Status: Confirmed

CVE: CVE-2026-44408 (🔒)
GCVE (CVE): GCVE-0-2026-44408
GCVE (VulDB): GCVE-100-364595

Entryinfo

Created: 05/19/2026 12:45
Changes: 05/19/2026 12:45 (63)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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