Critical severity · published Oct 2, 2026
CVE-2026-104610
Tenda HG7/HG9/HG10 Boa Web Server formLoopBack boaGetVar stack-based overflow
10.0
CVSS
0.6%
EPSS
No
On KEV
Description
A security vulnerability has been detected in Tenda HG7, HG9 and HG10 300001138_en_xpon. This impacts the function boaGetVar of the file /boaform/formLoopBack of the component Boa Web Server. 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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 51% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HG
HG10 · Tenda
300001138_en_xpon · source: vendor
HG
HG7 · Tenda
300001138_en_xpon · source: vendor
HG
HG9 · Tenda
300001138_en_xpon · source: vendor