CVE-2026-2907Improper Restriction of Operations within the Bounds of a Memory Buffer in HG9

Severity
7.4HIGHNVD
EPSS
0.1%
top 73.32%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedFeb 22

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.

CVSS 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

Affected Packages2 packages

CVEListV5tenda/hg9300001138
NVDtenda/hg9_firmware300001138

🔴Vulnerability Details

2
CVEList
Tenda HG9 GPON Configuration Endpoint formgponConf stack-based overflow2026-02-22
GHSA
GHSA-jgr4-277v-42mv: A weakness has been identified in Tenda HG9 3000011382026-02-22
CVE-2026-2907 — Tenda HG9 vulnerability | cvebase