What’s Vulnerable › Vulnerabilities

CVE-2026-2907: Tenda HG9 GPON Configuration Endpoint formgponConf stack-based overflow

• Severity: high (CVSS 8.8 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: yes
• Published: 2026-02-22 · updated 2026-06-17
• Weakness: CWE-119

Description

A weakness has been identified in Tenda HG9 300001138. Affected by this vulnerability is an unknown functionality of the file /boaform/formgponConf of the component GPON Configuration Endpoint. This manipulation of the argument fmgpon_loid/fmgpon_loid_password causes stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be used for attacks.

Affected products

• Tenda HG9: 300001138

References

• https://github.com/QIU-DIE/cve-nneeww/issues/9
• https://vuldb.com/?ctiid.347216
• https://vuldb.com/?id.347216
• https://vuldb.com/?submit.755201
• https://www.tenda.com.cn/

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