CVE-2026-11553
HighCVSS 8.8Exploitation Probability (EPSS)
Low risk39th percentile - higher than 39% of all known CVEs
Summary
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.
Risk Assessment
A remote attacker can exploit the buffer overflow to execute arbitrary code or cause a device crash, potentially leading to takeover of the router and network.
Recommendation
Immediately update the firmware of Tenda HG7, HG9, and HG10 devices to the latest version or apply measures to restrict access to the management interface.
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-2026-11499Critical
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.
- 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 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.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS