Description
A security vulnerability has been detected in Tenda HG9 300001138. Affected by this issue is some unknown functionality of the file /boaform/formLoopBack of the component Loopback Detection Configuration Endpoint. Such manipulation of the argument Ethtype leads to stack-based buffer overflow. The attack can be executed remotely. The exploit has been disclosed publicly and may be used.
References (5)
Core 5
Core References
Permissions Required, VDB Entry vdb-entry
technical-description
https://vuldb.com/?id.347217
Permissions Required, VDB Entry signature
permissions-required
https://vuldb.com/?ctiid.347217
Permissions Required, VDB Entry third-party-advisory
https://vuldb.com/?submit.755202
Issue Tracking exploit
issue-tracking
https://github.com/QIU-DIE/cve-nneeww/issues/10
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
yes
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