CVE-2026-104610 Tenda HG7, HG9, HG10 - Buffer Overflow

Tenda HG7, HG9, and HG10 300001138_en_xpon contain a stack-based buffer overflow caused by manipulation of the "Ethtype" argument in /boaform/formLoopBack of Boa Web Server, letting remote attackers execute code, exploit requires crafted request.

CVSS base score 10.0 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.64% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Buffer Overflow
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Published
2 October 2026
Updated
15 October 2026
Weakness
CWE-119

Vendor fix

Update to the latest firmware version provided by Tenda.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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