CVE-2026-2202

HIGH
2026-02-09 [email protected]
8.8
CVSS 3.1
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CVSS Vector

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

Lifecycle Timeline

3
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
PoC Detected
Feb 10, 2026 - 15:07 vuln.today
Public exploit code
CVE Published
Feb 09, 2026 - 03:16 nvd
HIGH 8.8

Tags

Buffer Overflow Ac8 Firmware

Description

A vulnerability was detected in Tenda AC8 16.03.33.05. Affected is the function fromSetWifiGusetBasic of the file /goform/WifiGuestSet of the component httpd. The manipulation of the argument shareSpeed results in buffer overflow. The attack may be launched remotely. The exploit is now public and may be used.

Analysis

Remote code execution in Tenda AC8 firmware 16.03.33.05 allows authenticated attackers to achieve full system compromise through a buffer overflow in the WiFi guest settings function. Public exploit code exists for this vulnerability, and no patch is currently available. …

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Remediation

Within 24 hours: Inventory all Tenda AC8 devices in the environment and isolate affected units from critical networks if possible. Within 7 days: Implement network segmentation to restrict management access to these devices and deploy WAF rules to block exploitation attempts against /goform/WifiGuestSet endpoints. …

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Priority Score

64
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +44
POC: +20

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CVE-2026-2202 vulnerability details – vuln.today
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