PT-2026-21408 · Tenda · Tenda Hg9 300001138

Linxi666 · Published 2026-02-22 · Updated 2026-02-27 · CVE-2026-2907

Positive Technologies (AI Summary)

CVSS v2.0

9.0

High

Base vector

AV:N/AC:L/Au:S/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Tenda HG9 300001138 (affected versions not specified)

Description A flaw exists in Tenda HG9 300001138 within the GPON Configuration Endpoint. The issue relates to the manipulation of the fmgpon loid/fmgpon loid password argument in the /boaform/formgponConf file, leading to a stack-based buffer overflow. Remote exploitation is possible. The exploit has been publicly released.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

RCE

Buffer Overflow

Stack Overflow

Weakness Enumeration

CWE-119

CWE-121

Related Identifiers

CVE-2026-2907

Affected Products

Tenda Hg9 300001138

References · 13

• 🔥 https://github.com/QIU-DIE/cve-nneeww/issues/9 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-2907 · Security Note
• https://osv.dev/vulnerability/CVE-2026-2907 · Vendor Advisory
• https://vuldb.com/?ctiid.347216 · Note
• https://vuldb.com/?id.347216 · Note
• https://twitter.com/CVEarity/status/2025569150391972059 · Twitter Post
• https://twitter.com/CVEnew/status/2025425443084816688 · Twitter Post
• https://tenda.com.cn · Note
• https://t.me/cveNotify/152750 · Telegram Post
• https://t.me/CVEtracker/45408 · Telegram Post
• https://twitter.com/cracbot/status/2027337988896899112 · Twitter Post
• https://vuldb.com/?submit.755201 · Note
• https://twitter.com/CveTodo/status/2025397636925120902 · Twitter Post