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CVE-2026-5841— Tenda i3 HTTP R7WebsSecurityHandler path traversal

Quick assessment

Affected
Tenda i3
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Tenda i3是中国腾达（Tenda）公司的一个无线接入点设备。 Tenda i3 1.0.0.6(2204)版本存在路径遍历漏洞，该漏洞源于HTTP Handler组件中R7WebsSecurityHandler函数存在路径遍历问题，可能导致路径遍历攻击。

CVSS 7.3 · High EPSS 0.78% · P55

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-5841

Vulnerability Information
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Vulnerability Title
Tenda i3 HTTP R7WebsSecurityHandler path traversal
Source: CVE Program / CVE List V5
Vulnerability Description
A weakness has been identified in Tenda i3 1.0.0.6(2204). The affected element is the function R7WebsSecurityHandler of the component HTTP Handler. Executing a manipulation can lead to path traversal. The attack can be executed remotely. The exploit has been made available to the public and could be used for attacks.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
Tenda i3 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tenda i3是中国腾达（Tenda）公司的一个无线接入点设备。 Tenda i3 1.0.0.6(2204)版本存在路径遍历漏洞，该漏洞源于HTTP Handler组件中R7WebsSecurityHandler函数存在路径遍历问题，可能导致路径遍历攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Tenda i3 1.0.0.6(2204) cpe:2.3:o:tenda:i3_firmware:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-5841

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 8242 chars
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Trigger conditions & impact
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Exploit chain & mitigation
POC zip download
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III. Intelligence Information for CVE-2026-5841

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Proof of Concept for CVE-2026-5841 (1)

Same Patch Batch · Tenda · 2026-04-09 · 8 CVEs total

CVE-2026-5991 8.8 HIGH Tenda F451 WrlExtraSet formWrlExtraSet stack-based overflow
CVE-2026-5990 8.8 HIGH Tenda F451 SafeEmailFilter fromSafeEmailFilter stack-based overflow
CVE-2026-5989 8.8 HIGH Tenda F451 RouteStatic fromRouteStatic stack-based overflow
CVE-2026-5988 8.8 HIGH Tenda F451 AdvSetWrlsafeset formWrlsafeset stack-based overflow
CVE-2026-5830 8.8 HIGH Tenda AC15 SysToolChangePwd websGetVar stack-based overflow
CVE-2026-5962 7.3 HIGH Tenda CH22 httpd R7WebsSecurityHandlerfunction path traversal
CVE-2026-5849 7.3 HIGH Tenda i12 HTTP path traversal

IV. Related Vulnerabilities

Same product: i3
Same vendor: Tenda
Same weakness: CWE-22

V. Comments for CVE-2026-5841

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