9.0
HIGH CVSS 2.0
CVE-2026-3044
Tenda AC8 Httpd Service UploadCfg webCgiGetUploadFile stack-based overflow
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.

INFO

Published Date :

Feb. 24, 2026, 12:16 a.m.

Last Modified :

Feb. 24, 2026, 9:39 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-3044 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Tenda ac8_firmware
2 Tenda ac8
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 HIGH [email protected]
CVSS 3.1 HIGH [email protected]
CVSS 4.0 HIGH [email protected]
Solution
Update the device firmware to patch the stack-based buffer overflow vulnerability in Httpd Service.
  • Update the Tenda AC8 firmware to the latest version.
  • Apply vendor-released security patches promptly.
  • Monitor for security advisories from the vendor.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-3044.

URL Resource
https://github.com/master-abc/cve/issues/43 Issue Tracking
https://vuldb.com/?ctiid.347400 Permissions Required VDB Entry
https://vuldb.com/?id.347400 Third Party Advisory VDB Entry
https://vuldb.com/?submit.757240 Third Party Advisory VDB Entry
https://www.tenda.com.cn/ Product
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-3044 is associated with the following CWEs:

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-3044 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-3044 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Feb. 24, 2026

    Action Type Old Value New Value
    Added CPE Configuration AND OR *cpe:2.3:o:tenda:ac8_firmware:16.03.34.06:*:*:*:*:*:*:* OR cpe:2.3:h:tenda:ac8:-:*:*:*:*:*:*:*
    Added Reference Type VulDB: https://github.com/master-abc/cve/issues/43 Types: Issue Tracking
    Added Reference Type VulDB: https://vuldb.com/?ctiid.347400 Types: Permissions Required, VDB Entry
    Added Reference Type VulDB: https://vuldb.com/?id.347400 Types: Third Party Advisory, VDB Entry
    Added Reference Type VulDB: https://vuldb.com/?submit.757240 Types: Third Party Advisory, VDB Entry
    Added Reference Type VulDB: https://www.tenda.com.cn/ Types: Product
  • New CVE Received by [email protected]

    Feb. 24, 2026

    Action Type Old Value New Value
    Added 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.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Added CVSS V2 (AV:N/AC:L/Au:S/C:C/I:C/A:C)
    Added CWE CWE-119
    Added CWE CWE-121
    Added Reference https://github.com/master-abc/cve/issues/43
    Added Reference https://vuldb.com/?ctiid.347400
    Added Reference https://vuldb.com/?id.347400
    Added Reference https://vuldb.com/?submit.757240
    Added Reference https://www.tenda.com.cn/
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.