What’s Vulnerable › Vulnerabilities

CVE-2026-19790: Tenda G0 httpd Web Management module formSetPortMirror stack-based overflow

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-14 · updated 2026-08-18
• Weakness: CWE-119

Description

A vulnerability was identified in Tenda G0 up to 20260625. This issue affects the function formSetPortMirror of the file /goform/module of the component httpd Web Management Interface. Such manipulation of the argument portMirrorMirroredPorts leads to stack-based buffer overflow. The attack can be executed remotely. The exploit is publicly available and might be used.

Affected products

• Tenda G0: 20260625

References

• https://github.com/lipenghai/iot_bug/blob/main/Tenda/G0/1.md
• https://vuldb.com/cve/CVE-2026-19790
• https://vuldb.com/submit/868924
• https://vuldb.com/vuln/389757
• https://vuldb.com/vuln/389757/cti
• https://www.tenda.com.cn/

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