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5.3

Tenda Router Allows Remote Code Execution

CVE-2026-2930
Summary

A bug in the Tenda A18 router's web interface can be exploited by an attacker to run malicious code on the device. This can happen if a hacker sends a specially crafted request to the router. Update the router's software to fix the issue and protect your network.

What to do

No fix is available yet. Check with your software vendor for updates.

Affected software
VendorProductAffected versionsFix available
tenda a18_firmware 15.13.07.13 –
Original title
A vulnerability was identified in Tenda A18 15.13.07.13. The affected element is the function webCgiGetUploadFile of the file /cgi-bin/UploadCfg of the component Httpd Service. Such manipulation of...
Original description
A vulnerability was identified in Tenda A18 15.13.07.13. The affected element is the function webCgiGetUploadFile of the file /cgi-bin/UploadCfg of the component Httpd Service. Such manipulation of the argument boundary leads to stack-based buffer overflow. The attack can be executed remotely. The exploit is publicly available and might be used.
nvd CVSS2.0 6.5
nvd CVSS3.1 8.8
nvd CVSS4.0 5.3
Vulnerability type
CWE-119 Buffer Overflow
CWE-121 Stack-based Buffer Overflow
Published: 22 Feb 2026 · Updated: 12 Mar 2026 · First seen: 6 Mar 2026