Tenda W30E V2 up to 16.01.0.19(5037) Maintenance Interface unverified password change

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Tenda W30E V2 up to 16.01.0.19(5037). This impacts an unknown function of the component Maintenance Interface. This manipulation causes unverified password change. This vulnerability is handled as CVE-2026-24440. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability classified as critical was found in Tenda W30E V2 up to 16.01.0.19(5037). Affected by this vulnerability is some unknown processing of the component Maintenance Interface. The manipulation with an unknown input leads to a unverified password change vulnerability. The CWE definition for the vulnerability is CWE-620. When setting a new password for a user, the product does not require knowledge of the original password, or using another form of authentication. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Shenzhen Tenda W30E V2 firmware versions up to and including V16.01.0.19(5037) allow account passwords to be changed through the maintenance interface without requiring verification of the existing password. This enables unauthorized password changes when access to the affected endpoint is obtained.

The weakness was released by Kazuma Matsumoto. The advisory is shared at tendacn.com. This vulnerability is known as CVE-2026-24440 since 01/22/2026. The exploitation appears to be easy. The attack can be launched remotely. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/29/2026). MITRE ATT&CK project uses the attack technique T1552 for this issue.

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

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-4677). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.6

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔒

CVSSv2info

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

Exploitinginfo

Class: Unverified password change
CWE: CWE-620 / CWE-640
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

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

01/22/2026 CVE reserved
01/27/2026 +5 days Advisory disclosed
01/27/2026 +0 days VulDB entry created
01/29/2026 +2 days VulDB entry last update

Sourcesinfo

Vendor: tenda.com.cn

Advisory: tendacn.com
Researcher: Kazuma Matsumoto
Status: Not defined

CVE: CVE-2026-24440 (🔒)
GCVE (CVE): GCVE-0-2026-24440
GCVE (VulDB): GCVE-100-342901
EUVD: 🔒

Entryinfo

Created: 01/27/2026 02:04
Updated: 01/29/2026 03:13
Changes: 01/27/2026 02:04 (66), 01/29/2026 02:48 (1), 01/29/2026 03:13 (11)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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