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CVE-2026-4253

MEDIUM CVSS 4.0: 5.1 EPSS 0.37%
Updated Mar 20, 2026
Tenda
Parameter Value
CVSS 5.1 (MEDIUM)
Type CWE-77 (Command Injection), CWE-78 (OS Command Injection)
Vendor Tenda
Public PoC Yes

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
High
Admin privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
Low
Partial data leak
Integrity
Low
Partial data modification
Availability
Low
Partial disruption

CVSS Vector v4.0

Vulnerable Products 2

Configuration From (including) Up to (excluding)
Tenda Ac8_Firmware
cpe:2.3:o:tenda:ac8_firmware:16.03.50.11:*:*:*:*:*:*:*
Tenda Ac8
cpe:2.3:h:tenda:ac8:5.0:*:*:*:*:*:*:*