What’s Vulnerable › Vulnerabilities

CVE-2025-8810: Tenda AC20 SetFirewallCfg strcpy stack-based overflow

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-08-10 · updated 2026-06-17
• Weakness: CWE-119

Description

A vulnerability classified as critical was found in Tenda AC20 16.03.08.05. Affected by this vulnerability is the function strcpy of the file /goform/SetFirewallCfg. The manipulation of the argument firewallEn leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

Affected products

• Tenda AC20: 16.03.08.05

References

• https://github.com/LaiwanHundun/CVE/blob/main/cve1
• https://vuldb.com/?ctiid.319339
• https://vuldb.com/?id.319339
• https://vuldb.com/?submit.627394
• https://www.tenda.com.cn/
• https://github.com/LaiwanHundun/CVE/blob/main/cve1

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