Critical severity · published Jun 8, 2026
CVE-2026-11499
Tenda HG7/HG9/HG10 formDOMAINBLK stack-based overflow
9.8
CVSS
6.6%
EPSS
No
On KEV
Description
A vulnerability was determined in Tenda HG7, HG9 and HG10 300001138_en_xpon. This affects the function formDOMAINBLK of the file /boaform/formDOMAINBLK. Executing a manipulation of the argument blkDomain can lead to stack-based buffer overflow. The attack may be performed from remote.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)6.6% · higher than 94% 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