CVE-2026-5211
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.
Scoring
- Severity
- HIGH
- CVSS base score
- 9
- CVSS vector
- CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
- EPSS probability
- 0.70%
- CWE
- CWE-121, CWE-119
- Published
- 2026-03-31
- Last modified
- 2026-04-01
Affected products
- D-Link DNS-120
- D-Link DNR-202L
- D-Link DNS-315L
- D-Link DNS-320
- D-Link DNS-320L
- D-Link DNS-320LW
- D-Link DNS-321
- D-Link DNR-322L
Weakness type
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