CVE-2026-2905

HIGH

Tenda HG9 300001138 - Buffer Overflow

Title source: llm
STIX 2.1

Description

A vulnerability was identified in Tenda HG9 300001138. This impacts an unknown function of the file /boaform/formWlanSetup of the component Wireless Configuration Endpoint. The manipulation of the argument ssid leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit is publicly available and might be used.

References (5)

Core 5
Core References
Permissions Required, VDB Entry vdb-entry technical-description
https://vuldb.com/?id.347214
Permissions Required, VDB Entry signature permissions-required
https://vuldb.com/?ctiid.347214
Permissions Required, VDB Entry third-party-advisory
https://vuldb.com/?submit.755167
Issue Tracking exploit issue-tracking
https://github.com/QIU-DIE/cve-nneeww/issues/7
Various Sources product
https://www.tenda.com.cn/

Scores

CVSS v3 8.8
EPSS 0.0011
EPSS Percentile 29.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-121 CWE-119
Status published
Products (1)
tenda/hg9_firmware 300001138
Published Feb 22, 2026
Tracked Since Feb 22, 2026