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.

Project Subscriptions

Vendors Products
Hg9 Firmware Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Mon, 23 Feb 2026 20:30:00 +0000

Type Values Removed Values Added
First Time appeared Tenda hg9 Firmware
CPEs cpe:2.3:h:tenda:hg9:-:*:*:*:*:*:*:*
cpe:2.3:o:tenda:hg9_firmware:300001138:*:*:*:*:*:*:*
Vendors & Products Tenda hg9 Firmware

Mon, 23 Feb 2026 20:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Mon, 23 Feb 2026 15:00:00 +0000

Type Values Removed Values Added
First Time appeared Tenda
Tenda hg9
Vendors & Products Tenda
Tenda hg9

Sun, 22 Feb 2026 02:15:00 +0000

Type Values Removed Values Added
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.
Title Tenda HG9 Loopback Detection Configuration Endpoint formLoopBack stack-based overflow
Weaknesses CWE-119
CWE-121
References
Metrics cvssV2_0

{'score': 9, 'vector': 'AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 8.8, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 8.8, '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'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P'}


Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-02-23T19:19:51.049Z

Reserved: 2026-02-20T20:14:45.983Z

Link: CVE-2026-2908

cve-icon Vulnrichment

Updated: 2026-02-23T19:19:41.950Z

cve-icon NVD

Status : Analyzed

Published: 2026-02-22T02:16:57.890

Modified: 2026-02-23T20:21:45.490

Link: CVE-2026-2908

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-02-23T14:29:42Z

Weaknesses