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CVE

CWE

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CVE-2026-2907

Published: Feb 22, 2026

Modified: Feb 23, 2026

PUBLISHED

CVSS v3.1

8.8

HIGH

Description

A weakness has been identified in Tenda HG9 300001138. Affected by this vulnerability is an unknown functionality of the file /boaform/formgponConf of the component GPON Configuration Endpoint. This manipulation of the argument fmgpon_loid/fmgpon_loid_password causes stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be used for attacks.

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-347216 | Tenda HG9 GPON Configuration Endpoint formgponConf stack-based overflow

vdb-entry

technical-description

VDB-347216 | CTI Indicators (IOB, IOC, IOA)

signature

permissions-required

Submit #755201 | Tenda HG9 V300001138 Stack-based Buffer Overflow

third-party-advisory

https://github.com/QIU-DIE/cve-nneeww/issues/9

exploit

issue-tracking

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

product

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