CVE-2026-104610: Tenda HG7/HG9/HG10 Boa Web Server formLoopBack boaGetVar stack-based overflow

Severity: critical (CVSS 10.0 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-02 · updated 2026-10-02
Weakness: CWE-119

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.

Affected products

Tenda HG10: 300001138_en_xpon
Tenda HG7: 300001138_en_xpon
Tenda HG9: 300001138_en_xpon

References

https://github.com/Expl0rer-Ct/CVE/issues/1
https://vuldb.com/cve/CVE-2026-104610
https://vuldb.com/submit/962541
https://vuldb.com/vuln/412917
https://vuldb.com/vuln/412917/cti
https://www.tenda.com.cn/

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