W30e Firmware
CVE-2026-24439
MEDIUM
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Output encoding for downstream
|
| Impact | CVSS 6.5 (MEDIUM). Attack vector: Network. Complexity: Low. Privileges required: None. User interaction: None. |
| Exploit ScenarioDerived | An attacker could exploit this vulnerability to compromise the affected system. |
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Alert meAnalysisAIv1 – Mar 12, 2026
Tenda W30E firmware versions through V16.01.0.19(5037) omit the X-Content-Type-Options: nosniff header from web management interfaces, enabling MIME type confusion attacks. An unauthenticated remote attacker can exploit this to inject malicious scripts that browsers may execute as legitimate content, potentially compromising the integrity and confidentiality of management traffic. No patch is currently available for this vulnerability.
Earlier versions of this analysis (1)
Shenzhen Tenda W30E V2 firmware versions up to and including V16.01.0.19(5037) fail to include the X-Content-Type-Options: nosniff response header on web management interfaces. [CVSS 6.5 MEDIUM]
RemediationAI
Monitor vendor advisories for a patch. 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-116 (Improper Encoding or Escaping of Output). Affects W30E Firmware. Shenzhen Tenda W30E V2 firmware versions up to and including V16.01.0.19(5037) fail to include the X-Content-Type-Options: nosniff response header on web management interfaces. As a result, browsers that perform MIME sniffing may incorrectly interpret attacker-influenced responses as executable script.
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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:N/UI:N/S:U/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) fail to include the X-Content-Type-Options: nosniff response header on web management interfaces. As a result, browsers that perform MIME sniffing may incorrectly interpret attacker-influenced responses as executable script.
Executive ViewAI
CVE-2026-24439 presents notable security risk rated CVSS 6.5. Exploitation could compromise the security of affected deployments. Organizations should apply vendor updates when available and monitor for exploitation.
Apply vendor patch. If patching is delayed: restrict network access and enable monitoring.
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