A vulnerability was detected in Tenda HG9 300001138. This affects an unknown part of the file /boaform/formPing of the component Diagnostic Ping Endpoint. Performing a manipulation of the argument pingAddr results in stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit is now public and may be used.

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History

Mon, 23 Feb 2026 21:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Mon, 23 Feb 2026 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 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 vulnerability was detected in Tenda HG9 300001138. This affects an unknown part of the file /boaform/formPing of the component Diagnostic Ping Endpoint. Performing a manipulation of the argument pingAddr results in stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit is now public and may be used.
Title Tenda HG9 Diagnostic Ping Endpoint formPing 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'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-02-23T19:18:40.226Z

Reserved: 2026-02-20T20:14:48.904Z

Link: CVE-2026-2909

cve-icon Vulnrichment

Updated: 2026-02-23T19:18:35.379Z

cve-icon NVD

Status : Analyzed

Published: 2026-02-22T02:16:58.100

Modified: 2026-02-23T20:21:38.593

Link: CVE-2026-2909

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-02-23T14:29:41Z

Weaknesses