Description
A weakness has been identified 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. Affected by this issue is the function Local_Backup_Info of the file /cgi-bin/local_backup_mgr.cgi. This manipulation of the argument f_idx causes stack-based buffer overflow. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks.
Problem types
Product status
Timeline
| 2026-03-15: | Advisory disclosed |
| 2026-03-15: | VulDB entry created |
| 2026-03-15: | VulDB entry last update |
Credits
pjqwudi (VulDB User)
References
vuldb.com/?id.351122 (VDB-351122 | D-Link DNS-1550-04 local_backup_mgr.cgi Local_Backup_Info stack-based overflow)
vuldb.com/?ctiid.351122 (VDB-351122 | CTI Indicators (IOB, IOC, IOA))
vuldb.com/?submit.770441 (Submit #770441 | D-Link DNS-120/202L/315L/320/320L/320LW/321/322L/323/325/326/327L/326/340L/343/345/726-4/1100-4/1200-05/1550-04 up to 20260205 Stack-based Buffer Overflow)
github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_160/160.md
www.dlink.com/