CVE-2026-11499
CriticalCVSS 9.8Exploitation Probability (EPSS)
Very high risk94th percentile - higher than 94% of all known CVEs
Summary
A vulnerability in Tenda HG7, HG9 and HG10 devices affects the formDOMAINBLK function in the /boaform/formDOMAINBLK file. Manipulating the blkDomain argument leads to a stack-based buffer overflow, which can be exploited remotely.
Risk Assessment
A remote attack could cause a buffer overflow, potentially leading to device compromise or denial of service.
Recommendation
Update the Tenda device firmware to the latest version if available, and restrict access to the management interface to trusted networks only.
Other vulnerabilities in Tenda HG7/HG9/HG10
See all- CVE-2026-104610Critical
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.
- CVE-2026-11553High
A vulnerability was found in Tenda HG7, HG9 and HG10 300001138_en_xpon. This affects the function formPPPEdit of the file /boaform/formPPPEdit. The manipulation of the argument encodename results in stack-based buffer overflow. The attack can be launched remotely. The exploit has been made public and could be used.
- CVE-2026-11498High
A vulnerability in Tenda HG7, HG9 and HG10 devices affects the asp_voip_OtherSet function in the /boaform/voip_other_set file of the Web Management Interface. Manipulating the funckey_transfer argument leads to a stack-based buffer overflow, which can be exploited remotely.
Original NVD description (English source)
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.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

