CVE-2025-8810
Tenda AC20 SetFirewallCfg strcpy stack-based overflow
- State
- Published
- Severity
- 8.7 High
- Published
- Aug 10, 2025
- Updated
- Aug 12, 2025
- Reserved
- Aug 9, 2025
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.7 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 8.8 High | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R | VulDB |
| 3.0 | 8.8 High | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R | VulDB |
| 2.0 | 9.0 High | AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
AC20Tenda |
|
References
- VDB-319339 | Tenda AC20 SetFirewallCfg strcpy stack-based overflowvdb-entrytechnical-description
- VDB-319339 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- Submit #627394 | Tenda AC20 V1.0re_V16.03.08.05 Buffer Overflowthird-party-advisory
- https://github.com/LaiwanHundun/CVE/blob/main/cve1exploit
- https://www.tenda.com.cn/product
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