CVE-2026-2909

HIGH 8.8

Tenda HG9 Diagnostic Ping Endpoint formPing stack-based overflow

CVSS Score

8.8

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-121 CWE-119
Vendor	tenda
Product	hg9
Published	Feb 22, 2026
Last Updated	Feb 23, 2026

Stay Ahead of the Next One

Get instant alerts for tenda hg9

Be the first to know when new high vulnerabilities affecting tenda hg9 are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

CVSS v3 Breakdown

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

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

Tenda / HG9

300001138

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/?id.347218 vuldb.com: https://vuldb.com/?ctiid.347218 vuldb.com: https://vuldb.com/?submit.755211 github.com: https://github.com/QIU-DIE/cve-nneeww/issues/11 tenda.com.cn: https://www.tenda.com.cn/

Credits

🔍 LINXI666 (VulDB User)