D-Link Dir 645
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By the Year
In 2026 there have been 1 vulnerability in D-Link Dir 645 with an average score of 8.8 out of ten. Last year, in 2025 Dir 645 had 1 security vulnerability published. If vulnerabilities keep coming in at the current rate, it appears that number of security vulnerabilities in Dir 645 in 2026 could surpass last years number.
| Year | Vulnerabilities | Average Score |
|---|---|---|
| 2026 | 1 | 8.80 |
| 2025 | 1 | 0.00 |
It may take a day or so for new Dir 645 vulnerabilities to show up in the stats or in the list of recent security vulnerabilities. Additionally vulnerabilities may be tagged under a different product or component name.
Recent D-Link Dir 645 Security Vulnerabilities
Stack Buffer Overflow in D-Link DIR-645 1.01-1.03 via hedwigcgi_main
CVE-2026-5815
8.8 - High
- April 08, 2026
A vulnerability was detected in D-Link DIR-645 1.01/1.02/1.03. Impacted is the function hedwigcgi_main of the file /cgi-bin/hedwig.cgi. The manipulation results in stack-based buffer overflow. The attack can be launched remotely. The exploit is now public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.
Stack Overflow
D-Link DIR routers v1.03 arbitrary cmd exec via service.cgi CVE-2018-25115
CVE-2018-25115
- August 27, 2025
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.
Shell injection
The D-Link DIR-645 Wired/Wireless Router Rev
CVE-2015-2051
8.8 - High
- February 23, 2015
The D-Link DIR-645 Wired/Wireless Router Rev. Ax with firmware 1.04b12 and earlier allows remote attackers to execute arbitrary commands via a GetDeviceSettings action to the HNAP interface.
Command Injection
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