CVE-2026-113744CWE-119CWE-121

CVE-2026-113744

Critical · published October 21, 2026

CVSS v3.1
10.0
EPSS
1%
Percentile
49.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
10.0 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
10.0 · 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
EPSS
0.00622 · 49.1th percentile
Weaknesses
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer; CWE-121 · Stack-based Buffer Overflow
Published
2026-10-21T06:17Z
References (6)
https://github.com/henrythekingofuk/TendaCVE · [email protected]https://vuldb.com/cve/CVE-2026-113744 · [email protected]https://vuldb.com/submit/1018542 · [email protected]https://vuldb.com/vuln/422925 · [email protected]https://vuldb.com/vuln/422925/cti · [email protected]https://www.tenda.com.cn/ · [email protected]
EPSS history
Timeline
  • 22 OCT 03:29Z
    EPSS moved — → 1%
    epss
  • 21 OCT 01:30Z
    Tenda AC19 httpd Web Management Service SetFirewallCfg formSetFirewallCfg stack-based overflow
    cvelistv5
  • 21 OCT 01:30Z
    Tenda AC19 httpd Web Management Service SetFirewallCfg formSetFirewallCfg stack-based overflow
    cvelistv5