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 vulnerability affects the function UPnP_AV_Server_Path_Del of the file /cgi-bin/app_mgr.cgi. Executing a manipulation of the argument f_dir can lead to stack-based buffer overflow. The attack can be executed 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