First published: Tue May 14 2024(Updated: )
This vulnerability allows network-adjacent attackers to create a denial-of-service condition on affected installations of D-Link DIR-3040 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the prog.cgi program, which handles HNAP requests made to the lighttpd webserver listening on ports 80 and 443. The issue results from the lack of proper memory management when processing HTTP cookie values. An attacker can leverage this vulnerability to create a denial-of-service condition on the system.
Affected Software | Affected Version | How to fix |
---|---|---|
D-Link DIR-3040 Firmware |
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The severity of ZDI-CAN-21668 is classified as a denial-of-service vulnerability affecting D-Link DIR-3040 routers.
To fix ZDI-CAN-21668, users should apply the latest firmware updates provided by D-Link for the DIR-3040 router.
ZDI-CAN-21668 can be exploited by network-adjacent attackers without requiring authentication.
ZDI-CAN-21668 affects installations of D-Link DIR-3040 routers.
The impact of ZDI-CAN-21668 is the potential for a denial-of-service condition that can disrupt router functionality.