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Critical 10.0Published Oct 21, 2026

CVE-2026-113744Tenda AC19 httpd Web Management Service SetFirewallCfg formSetFirewallCfg stack-based overflow

Updated under an hour ago ()

Does this affect you?

It affects Tenda AC19. Add what you run to find out whether that includes you.

EPSS puts the chance of exploitation in the next 30 days at 0.62%, higher than 49% of scored CVEs.

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.

CVSS
10.0 CRITICAL (v3.1, CNA)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
Weakness (CWE)
CWE-121, CWE-119
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
0.62% (percentile 49)
Assigned by
VulDB
NVD analysis
Deferred
Record last updated
Oct 21, 2026
First seen by InfoSec Signals
Oct 21, 2026

Affected products

Affected products
Tenda AC19
tenda:ac19
16.03.10.07
CNA record

References

  • vdb-entry, technical-description
  • signature, permissions-required
  • third-party-advisory
  • third-party-advisory
  • exploit
  • product

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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