Home

Description

A security vulnerability has been detected 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 affects the function Downloads_Schedule_Info of the file /cgi-bin/download_mgr.cgi. Such manipulation leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed publicly and may be used.

PUBLISHED Reserved 2026-03-15 | Published 2026-03-16 | Updated 2026-03-16 | Assigner VulDB




HIGH: 8.7CVSS: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
HIGH: 8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
HIGH: 8.8CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
9.0AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR

Problem types

Stack-based Buffer Overflow

Memory Corruption

Product status

20260205
affected

20260205
affected

20260205
affected

20260205
affected

20260205
affected

20260205
affected

20260205
affected

20260205
affected

20260205
affected

20260205
affected

20260205
affected

20260205
affected

20260205
affected

20260205
affected

20260205
affected

20260205
affected

20260205
affected

20260205
affected

20260205
affected

20260205
affected

Timeline

2026-03-15:Advisory disclosed
2026-03-15:VulDB entry created
2026-03-15:VulDB entry last update

Credits

pjqwudi (VulDB User) reporter

References

vuldb.com/?id.351123 (VDB-351123 | D-Link DNS-1550-04 download_mgr.cgi Downloads_Schedule_Info stack-based overflow) vdb-entry technical-description

vuldb.com/?ctiid.351123 (VDB-351123 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.770442 (Submit #770442 | 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) third-party-advisory

github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_161/161.md exploit

www.dlink.com/ product

cve.org (CVE-2026-4212)

nvd.nist.gov (CVE-2026-4212)

Download JSON