CVE-2020-15893 Command injection in n/a
Attackers can execute arbitrary commands on D-Link DIR-816L routers via UPnP SSDP packets, requiring immediate firmware updates.
- 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-2020-15893?
CVE-2020-15893 is a critical command injection vulnerability in n/a, published on 22 Jul 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue was discovered on D-Link DIR-816L devices 2.x before 1.10b04Beta02. Universal Plug and Play (UPnP) is enabled by default on port 1900. An attacker can perform command injection by injecting a payload into the Search Target (ST) field of the SSDP M-SEARCH discover packet.
Weakness: CWE-78
Which versions are affected by CVE-2020-15893?
It affects 1 product.
Products include Dlink Dir-816l Firmware.
How do I fix CVE-2020-15893?
No fix has been published for CVE-2020-15893 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-2020-15893 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-15893 exists.
Public exploit code: 1 Metasploit module.
Other vulnerabilities in n/a
- CVE-2022-28956 Auth bypass in n/a
- CVE-2025-13188 D-Link DIR-816L authentication.cgi authenticationcgi_main stack-based overflow
- CVE-2025-13189 D-Link DIR-816L gena.cgi genacgi_main stack-based overflow
- CVE-2025-13190 D-Link DIR-816L __ajax_exporer.sgi scandir_main stack-based overflow
- CVE-2025-13191 D-Link DIR-816L soap.cgi soapcgi_main stack-based overflow
Sources
Also known as GHSA-q86m-xf2x-qj8j.