CVE-2026-113744 Tenda AC19 - Buffer Overflow

Tenda AC19 16.03.10.07 contains a stack-based buffer overflow caused by manipulation of the "firewallEn" argument in /goform/SetFirewallCfg in httpd Web Management Service, letting remote attackers execute arbitrary code, exploit requires crafted request.

CVSS base score 10.0 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
View the NVD record ↗

Details

Type
Buffer Overflow
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Published
21 October 2026
Updated
21 October 2026
Weakness
CWE-119

Vendor fix

Update to the latest available version.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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