What’s Vulnerable › Vulnerabilities

CVE-2025-10120: Tenda AC20 GetParentControlInfo strcpy buffer 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: yes
• Published: 2025-09-09 · updated 2026-06-17
• Weakness: CWE-119

Description

A vulnerability was detected in Tenda AC20 up to 16.03.08.12. The impacted element is the function strcpy of the file /goform/GetParentControlInfo. The manipulation of the argument mac results in buffer overflow. The attack may be performed from remote. The exploit is now public and may be used.

Affected products

• Tenda AC20: through 16.03.08.12

References

• https://github.com/cymiao1978/cve/blob/main/4.md
• https://github.com/cymiao1978/cve/blob/main/4.md#poc
• https://vuldb.com/?ctiid.323089
• https://vuldb.com/?id.323089
• https://vuldb.com/?submit.645680
• https://www.tenda.com.cn/
• https://github.com/cymiao1978/cve/blob/main/4.md

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