CVE-2026-3044

HIGH
2026-02-24 [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

2
Analysis Generated
Mar 12, 2026 - 21:55 vuln.today
CVE Published
Feb 24, 2026 - 00:16 nvd
HIGH 8.8

Tags

Buffer Overflow Stack Overflow Ac8 Firmware

Description

A vulnerability has been found in Tenda AC8 16.03.34.06. This affects the function webCgiGetUploadFile of the file /cgi-bin/UploadCfg of the component Httpd Service. The manipulation of the argument boundary leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.

Analysis

Remote code execution in Tenda AC8 firmware versions up to 16.03.34.06 allows authenticated attackers to execute arbitrary code via a stack-based buffer overflow in the HTTP upload handler. Public exploit code exists for this vulnerability, which has no patch available. …

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Remediation

Within 24 hours: Identify and inventory all Tenda AC8 devices running firmware version 16.03.34.06 or earlier; implement network segmentation to isolate affected devices from critical systems. Within 7 days: Apply network-based compensating controls (see below); document all identified devices and their current usage. …

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Priority Score

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

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CVE-2026-3044 vulnerability details – vuln.today
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