CVE-2026-5213CWE-119CWE-121

D-Link DNS-1550-04 account_mgr.cgi cgi_adduser_to_session stack-based overflow

High · published March 31, 2026

CVSS v4.0
8.7
EPSS
1%
Percentile
67.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
8.7 · HIGH
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
0.01170 · 67.2th percentile
Weaknesses
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer; CWE-121 · Stack-based Buffer Overflow
Published
2026-03-31T20:15Z
EPSS history
Timeline
  • 31 MAR 20:15Z
    D-Link DNS-1550-04 account_mgr.cgi cgi_adduser_to_session stack-based overflow
    cvelistv5