CVE-2026-4253

| EUVD-2026-12472 MEDIUM
2026-03-16 [email protected]
4.7
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low

Lifecycle Timeline

4
PoC Detected
Mar 20, 2026 - 12:55 vuln.today
Public exploit code
Analysis Generated
Mar 16, 2026 - 18:30 vuln.today
EUVD ID Assigned
Mar 16, 2026 - 18:30 euvd
EUVD-2026-12472
CVE Published
Mar 16, 2026 - 18:16 nvd
MEDIUM 4.7

Tags

Tenda Command Injection

Description

A security flaw has been discovered in Tenda AC8 16.03.50.11. This affects the function route_set_user_policy_rule of the file /cgi-bin/UploadCfg of the component Web Interface. The manipulation of the argument wans.policy.list1 results in os command injection. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks.

Analysis

OS command injection in Tenda AC8 16.03.50.11 web interface allows authenticated remote attackers to execute arbitrary commands through the wans.policy.list1 parameter in the /cgi-bin/UploadCfg endpoint. Public exploit code exists for this vulnerability and no patch is currently available.

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Remediation

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Validate input sanitization for user-controlled parameters.

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Priority Score

44
Low Medium High Critical
KEV: 0
EPSS: +0.6
CVSS: +24
POC: +20

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CVE-2026-4253 vulnerability details – vuln.today
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