Description
A flaw has been found in D-Link DNS-120, DNR-202L, DNS-315L, DNS-320, DNS-320L, DNS-320LW, DNS-321, DNR-322L, DNS-323, DNS-325, DNS-326, DNS-327L, DNR-326, DNS-340L, DNS-343, DNS-345, DNS-726-4, DNS-1100-4, DNS-1200-05 and DNS-1550-04 up to 20260205. This issue affects the function UPnP_AV_Server_Path_Setting of the file /cgi-bin/app_mgr.cgi. Executing a manipulation can lead to stack-based buffer overflow. The attack may be launched remotely. The exploit has been published and may be used.
CVSS breakdown
CVSS 4.0
Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Confidentiality (Vulnerable System)
High
Integrity (Vulnerable System)
High
Availability (Vulnerable System)
High
Confidentiality (Subsequent System)
None
Integrity (Subsequent System)
None
Availability (Subsequent System)
None
E
Physical
CVSS 3.1
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
E
Physical
RL
X
RC
Required
Affected products
- D-Link / DNR-202L20260205 – 20260205
- D-Link / DNR-322L20260205 – 20260205
- D-Link / DNR-32620260205 – 20260205
- D-Link / DNS-1100-420260205 – 20260205
- D-Link / DNS-12020260205 – 20260205
- D-Link / DNS-1200-0520260205 – 20260205
- D-Link / DNS-1550-0420260205 – 20260205
- D-Link / DNS-315L20260205 – 20260205
- D-Link / DNS-32020260205 – 20260205
- D-Link / DNS-320L20260205 – 20260205
- D-Link / DNS-320LW20260205 – 20260205
- D-Link / DNS-32120260205 – 20260205
- D-Link / DNS-32320260205 – 20260205
- D-Link / DNS-32520260205 – 20260205
- D-Link / DNS-32620260205 – 20260205
- D-Link / DNS-327L20260205 – 20260205
- D-Link / DNS-340L20260205 – 20260205
- D-Link / DNS-34320260205 – 20260205
- D-Link / DNS-34520260205 – 20260205
- D-Link / DNS-726-420260205 – 20260205