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7.4
Tenda Router: Remote Code Execution via Malicious Configuration
CVE-2026-3809
Summary
A security flaw in the Tenda FH1202 router's configuration settings can allow an attacker to execute malicious code remotely. This could potentially allow an attacker to take control of the router. To protect your router, update to the latest firmware version if available, and ensure you use strong passwords and network segmentation to limit potential damage.
What to do
No fix is available yet. Check with your software vendor for updates.
Affected software
| Vendor | Product | Affected versions | Fix available |
|---|---|---|---|
| tenda | fh1202_firmware | 1.2.0.14\(408\) | – |
Original title
A flaw has been found in Tenda FH1202 1.2.0.14(408). The impacted element is the function fromNatStaticSetting of the file /goform/NatSaticSetting. Executing a manipulation of the argument page can...
Original description
A flaw has been found in Tenda FH1202 1.2.0.14(408). The impacted element is the function fromNatStaticSetting of the file /goform/NatSaticSetting. Executing a manipulation of the argument page can lead to stack-based buffer overflow. The attack may be launched remotely. The exploit has been published and may be used.
nvd CVSS2.0
9.0
nvd CVSS3.1
8.8
nvd CVSS4.0
7.4
Vulnerability type
CWE-119
Buffer Overflow
CWE-121
Stack-based Buffer Overflow
Published: 9 Mar 2026 · Updated: 13 Mar 2026 · First seen: 9 Mar 2026