QwikSec

Security Database

CVE

CWE

Training

CVE-2026-2908

Published: Feb 22, 2026

Modified: Feb 23, 2026

PUBLISHED

CVSS v3.1

8.8

HIGH

Description

A security vulnerability has been detected in Tenda HG9 300001138. Affected by this issue is some unknown functionality of the file /boaform/formLoopBack of the component Loopback Detection Configuration Endpoint. Such manipulation of the argument Ethtype leads to stack-based buffer overflow. The attack can be executed remotely. The exploit has been disclosed publicly and may be used.

Vendor	Product	Versions
Tenda	HG9	affected `300001138`

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

References

VDB-347217 | Tenda HG9 Loopback Detection Configuration Endpoint formLoopBack stack-based overflow

vdb-entry

technical-description

VDB-347217 | CTI Indicators (IOB, IOC, IOA)

signature

permissions-required

Submit #755202 | Tenda HG9 V300001138 Stack-based Buffer Overflow

third-party-advisory

https://github.com/QIU-DIE/cve-nneeww/issues/10

exploit

issue-tracking

https://www.tenda.com.cn/

product

Security Training

Train your team to recognize and prevent security threats with our comprehensive security awareness program.

Vulnerability Scanning

Discover vulnerabilities in your applications and infrastructure before attackers do.