CVE-2018-18728 Command injection in n/a

Critical 9.8 Published 28 Oct 2018 Updated 5 Aug 2024

Remote attackers can execute arbitrary code on Tenda AC9, AC15, and AC18 routers by injecting shell metacharacters into the usbName field.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2018-18728?

CVE-2018-18728 is a critical command injection vulnerability in Tenda Ac15 Firmware, published on 28 Oct 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An issue was discovered on Tenda AC9 V15.03.05.19(6318)_CN, AC15 V15.03.05.19_CN, and AC18 V15.03.05.19(6318)_CN devices. They allow remote code execution via shell metacharacters in the usbName field to the __fastcall function with a POST request.

Weakness: CWE-78

Which versions are affected by CVE-2018-18728?

It affects 3 products.

Products include Tenda Ac15 Firmware, Tenda Ac18 Firmware, Tenda Ac9 Firmware.

How do I fix CVE-2018-18728?

No fix has been published for CVE-2018-18728 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2018-18728 being exploited?

There is no known exploitation of CVE-2018-18728 in the wild and no public exploit code.

All Tenda Ac15 Firmware vulnerabilities

Sources

Also known as GHSA-3f4j-7hmm-p7m3.