CVE-2018-16217 Command injection in n/a

High 8.8 Published 29 May 2019 Updated 5 Aug 2024

Remote authenticated attackers can execute arbitrary OS commands or open reverse shells via command injection in the network diagnostic function.

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

What is CVE-2018-16217?

CVE-2018-16217 is a high-severity command injection vulnerability in n/a, published on 29 May 2019. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The network diagnostic function (ping) in the Yeahlink Ultra-elegant IP Phone SIP-T41P (firmware 66.83.0.35) allows a remote authenticated attacker to trigger OS commands or open a reverse shell via command injection.

Weakness: CWE-78

Which versions are affected by CVE-2018-16217?

It affects 1 product.

Products include Yealink Ultra-Elegant Ip Phone Sip-T41p Firmware.

How do I fix CVE-2018-16217?

No fix has been published for CVE-2018-16217 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-2018-16217 being exploited?

There is no known exploitation of CVE-2018-16217 in the wild and no public exploit code.

Sources

Also known as GHSA-fq45-h78c-mjvh.