CVE-2018-25115: D-Link DIR-110/412/600/615/645/815 RCE via service.cgi
Multiple D-Link DIR-series routers, including DIR-110, DIR-412, DIR-600, DIR-610, DIR-615, DIR-645, and DIR-815 firmware version 1.03, contain a vulnerability in the service.cgi endpoint that allows remote attackers to execute arbitrary system commands without authentication. The flaw stems from improper input handling in the EVENT=CHECKFW parameter, which is passed directly to the system shell without sanitization. A crafted HTTP POST request can inject commands that are executed with root privileges, resulting in full device compromise. These router models are no longer supported at the time of assignment and affected version ranges may vary. Exploitation evidence was first observed by the Shadowserver Foundation on 2025-08-21 UTC.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2018-25115?
CVE-2018-25115 is considered a critical vulnerability due to its ability to allow remote code execution without authentication.
How do I fix CVE-2018-25115?
To mitigate CVE-2018-25115, upgrade the firmware of your D-Link DIR-series router to the latest version that is not affected by this vulnerability.
Which D-Link router models are affected by CVE-2018-25115?
CVE-2018-25115 affects multiple D-Link DIR-series routers including DIR-110, DIR-412, DIR-600, DIR-610, DIR-615, DIR-645, and DIR-815 all running firmware version 1.03.
Can CVE-2018-25115 be exploited remotely?
Yes, CVE-2018-25115 can be exploited remotely, allowing attackers to execute commands on the router without authentication.
What is the impact of CVE-2018-25115?
The impact of CVE-2018-25115 includes the potential for remote attackers to gain control over the vulnerable router, leading to unauthorized access to network resources.