CVE-2026-2906: Tenda HG9 Samba Configuration Endpoint formSamba stack-based overflow

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-02-22 · updated 2026-06-17
Weakness: CWE-119

Description

A security flaw has been discovered in Tenda HG9 300001138. Affected is an unknown function of the file /boaform/formSamba of the component Samba Configuration Endpoint. The manipulation of the argument sambaCap results in stack-based buffer overflow. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks.

Affected products

Tenda HG9: 300001138

References

https://github.com/QIU-DIE/cve-nneeww/issues/8
https://vuldb.com/?ctiid.347215
https://vuldb.com/?id.347215
https://vuldb.com/?submit.755193
https://www.tenda.com.cn/

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