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Description

A vulnerability was determined 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. The affected element is the function cgi_adduser_to_session of the file /cgi-bin/account_mgr.cgi. This manipulation of the argument read_list causes stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized.

PUBLISHED Reserved 2026-03-31 | Published 2026-03-31 | Updated 2026-04-01 | 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

2026-03-31:Advisory disclosed
2026-03-31:VulDB entry created
2026-03-31:VulDB entry last update

Credits

Ziyue Xie (VulDB User) reporter

References

vuldb.com/vuln/354350 (VDB-354350 | D-Link DNS-1550-04 account_mgr.cgi cgi_adduser_to_session stack-based overflow) vdb-entry technical-description

vuldb.com/vuln/354350/cti (VDB-354350 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/submit/780437 (Submit #780437 | 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_168/168.md exploit

www.dlink.com/ product

cve.org (CVE-2026-5213)

nvd.nist.gov (CVE-2026-5213)

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