Tenda i3 1.0.0.6(2204) HTTP R7WebsSecurityHandler path traversal

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k2.42-

Summaryinfo

A vulnerability marked as critical has been reported in Tenda i3 1.0.0.6(2204). The impacted element is the function R7WebsSecurityHandler of the component HTTP Handler. The manipulation leads to path traversal. This vulnerability is uniquely identified as CVE-2026-5841. The attack is possible to be carried out remotely. Moreover, an exploit is present.

Detailsinfo

A vulnerability was found in Tenda i3 1.0.0.6(2204) and classified as critical. This issue affects the function R7WebsSecurityHandler of the component HTTP Handler. The manipulation with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Impacted is confidentiality, integrity, and availability.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-5841. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a public exploit are known. MITRE ATT&CK project uses the attack technique T1006 for this issue.

The exploit is available at github.com. It is declared as proof-of-concept.

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-2026-20850). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Path traversal
CWE: CWE-22
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
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

04/08/2026 Advisory disclosed
04/08/2026 +0 days VulDB entry created
04/09/2026 +1 days VulDB entry last update

Sourcesinfo

Vendor: tenda.com.cn

Advisory: github.com
Status: Not defined

CVE: CVE-2026-5841 (🔒)
GCVE (CVE): GCVE-0-2026-5841
GCVE (VulDB): GCVE-100-356297
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 04/08/2026 19:40
Updated: 04/09/2026 08:38
Changes: 04/08/2026 19:40 (56), 04/09/2026 08:38 (1)
Complete: 🔍
Submitter: Fan95
Cache ID: 216:DE6:103

Submitinfo

Accepted

  • Submit #789935: Tenda i3 V1.0.0.6(2204) Authentication Bypass Issues (by Fan95)

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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