W30e Firmware
CVE-2026-24433
MEDIUM
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Output encoding, context-aware escaping
MITRE ATT&CK
2 techniques across 2 tactics: Initial Access, Execution The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS 5.4 (MEDIUM). Attack vector: Network. Complexity: Low. Privileges required: Low. User interaction: Required. Exploitation requires authentication. |
| Exploit ScenarioDerived | An attacker (requires authentication) could exploit this vulnerability to compromise the affected system. |
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Alert meAnalysisAIv1 – Mar 12, 2026
Tenda W30E V2 firmware through V16.01.0.19(5037) fails to properly sanitize user input during account creation, allowing authenticated attackers to inject persistent malicious scripts that execute in administrators' browsers when accessing management pages. This stored XSS vulnerability enables session hijacking, credential theft, and unauthorized configuration changes with low complexity exploitation requiring only user interaction from an admin. No patch is currently available for affected devices.
Earlier versions of this analysis (1)
Shenzhen Tenda W30E V2 firmware versions up to and including V16.01.0.19(5037) contain a stored cross-site scripting vulnerability in the user creation functionality. [CVSS 5.4 MEDIUM]
RemediationAI
Monitor vendor advisories for a patch. Implement output encoding and Content Security Policy headers. Restrict network access to the affected service where possible.
Affects your stack
Find out whether the stacks and servers you run are on an affected version.
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
Classified as CWE-79 (Cross-site Scripting (XSS)). Affects the user creation component of W30E Firmware. Shenzhen Tenda W30E V2 firmware versions up to and including V16.01.0.19(5037) contain a stored cross-site scripting vulnerability in the user creation functionality. Insufficient input validation allows attacker-controlled script content to be stored and later executed when administrative users access the affected management pages.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionCVE.org
Shenzhen Tenda W30E V2 firmware versions up to and including V16.01.0.19(5037) contain a stored cross-site scripting vulnerability in the user creation functionality. Insufficient input validation allows attacker-controlled script content to be stored and later executed when administrative users access the affected management pages.
Executive ViewAI
CVE-2026-24433 presents moderate security risk, a cross-site scripting vulnerability rated CVSS 5.4. Attackers could inject scripts to steal sessions or perform actions as authenticated users. Organizations should apply vendor updates when available and monitor for exploitation.
Apply vendor patch. If patching is delayed: implement CSP headers, enable HttpOnly cookies, deploy WAF XSS rules.
Threat Intelligence Overview
NVD
CVE.org
EPSS
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Cross-Site Scripting occurs when an application accepts untrusted data and sends it to a web browser without proper validation or encoding.
Affected Products (CPE)CVE.org
More in W30e Firmware
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Tenda W30E V16.01.0.12(4843) contains a stack overflow vulnerability via the function formDeleteMeshNode. Rated critical
Tenda W30E V16.01.0.12(4843) was discovered to contain a Command Execution vulnerability via the function /goform/telnet
Tenda W30E V16.01.0.12(4843) was discovered to contain a stack overflow via the function UploadCfg. Rated critical sever
Tenda W30E V16.01.0.12(4843) was discovered to contain a stack overflow via the function formAdvancedSetListSet. Rated c
Tenda W30E V16.01.0.12(4843) was discovered to contain a stack overflow via the function formRebootMeshNode. Rated criti
Tenda W30E V16.01.0.12(4843) was discovered to contain a stack overflow via the function formUpgradeMeshOnline. Rated cr
Tenda W30E V16.01.0.12(4843) was discovered to contain a stack overflow via the function formResetMeshNode. Rated critic
Tenda W30E V16.01.0.12(4843) was discovered to contain a command injection vulnerability via the function setUmountUSBPa
Tenda W30E V16.01.0.12(4843) was discovered to contain a stack overflow via the function via the function set_wan_status
Tenda W30E V16.01.0.12(4843) was discovered to contain a command injection vulnerability via the function setFixTools. R
Tenda W30E V16.01.0.12(4843) was discovered to contain a stack overflow via the function localMsg. Rated critical severi
GitHub PoC
Exploit-DB