Is this vulnerability remotely exploitable?

Yes. An attacker who can reach the Tenda i12 HTTP interface over the network can attempt to exploit the path traversal using crafted HTTP requests.

Does an attacker need valid credentials to exploit this issue?

Not necessarily. Exploitability depends on whether the vulnerable HTTP handler is accessible without authentication. If the endpoint is exposed pre-login, the attack may be possible without valid credentials.

What is the safest general fix pattern for this type of vulnerability?

Enforce strict path handling by canonicalizing all requested paths and verifying they remain within a predefined, hardcoded base directory or implementing an allowlist of resource identifiers rather than exposing raw filesystem paths.

Severity:

HIGH RISK

(7.3)

Directory Traversal (CWE-22) in Tenda i12 HTTP Handler

CVE-2026-5849

Published:

Apr 9, 2026

Status:

Analyzed

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

NDV

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Vulnerability Type

Category:

Directory Traversal / Path Traversal

CWE:

CWE-22

Impact:

Unauthorized File System Access

Severity:

HIGH RISK

(7.3)

CVSS Version:

3.1

Vulnerability Type

Category:

Directory Traversal / Path Traversal

CWE:

CWE-22

Impact:

Unauthorized File System Access

Severity:

HIGH RISK

(7.3)

CVSS Version:

3.1

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Directory Traversal (CWE-22) in Tenda i12 HTTP Handler

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

Recent Vulnerabilities

HIGH RISK

HIGH

(8.8)

PHP Code Injection via File Upload (CWE-94) in Aero CMS Admin Post Creation

HIGH RISK

HIGH

(8.8)

Code Injection (CWE-94) via Module Parameters in Evolution CMS

Vulnerability Type

Vulnerability Type

Vulnerability Type

Catch This CVE While Code Is Being Written

Ship clean & secure code faster

Ship clean & secure code faster

Ship clean & secure code faster

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