CVE-2026-113744
Tenda AC19 httpd Web Management Service SetFirewallCfg formSetFirewallCfg stack-based overflow
- State
- Published
- Severity
- 10.0 Critical
- Published
- Oct 21, 2026
- Updated
- Oct 28, 2026
- Reserved
- Oct 20, 2026
Description
A security vulnerability has been detected in Tenda AC19 16.03.10.07. The impacted element is the function formSetFirewallCfg of the file /goform/SetFirewallCfg of the component httpd Web Management Service. Such manipulation of the argument firewallEn leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed publicly and may be used.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 10.0 Critical | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P | VulDB |
| 3.1 | 10.0 Critical | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R | VulDB |
| 3.0 | 10.0 Critical | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R | VulDB |
| 2.0 | 10.0 High | AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
AC19Tenda |
|
References
- VDB-422925 | Tenda AC19 httpd Web Management Service SetFirewallCfg formSetFirewallCfg stack-based overflowvdb-entrytechnical-description
- VDB-422925 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- CVE-2026-113744 | CVE Analysis and Reportthird-party-advisory
- Submit #1018542 | Tenda AC19 V16.03.10.07 Stack-based Buffer Overflowthird-party-advisory
- https://github.com/henrythekingofuk/TendaCVEexploit
- https://www.tenda.com.cn/product
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