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CVE-2026-5213highCWE-119CWE-121

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

41Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 8.7epss 0.7%
exploitation probability
0.7%top 49% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
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.
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
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