CVE-2026-5214

CWE-119 — Buffer OverflowCWE-121 — Stack-based Buffer OverflowCWE-787 — Out-of-bounds Write3 documents3 sources
Severity
7.4HIGH
EPSS
0.0%
top 90.43%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
40
Dlink Dnr-202l FirmwareDlink Dnr-326 FirmwareDlink Dns-1100-4 Firmware+37 more
Timeline
PublishedMar 31
Latest updateApr 1

Description

A vulnerability was found 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. Impacted is the function cgi_addgroup_get_group_quota_minsize of the file /cgi-bin/account_mgr.cgi. The manipulation of the argument Name results in stack-based buffer overflow. The attack may be performed from remote. The exploit has been made …

CVSS 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

Affected Packages40 packages

▶NVDdlink/dns-320lw_firmware2026-02-05
▶CVEListV5d-link/dns-320lw20260205
▶NVDdlink/dnr-202l_firmware2026-02-05
▶NVDdlink/dns-315l_firmware2026-02-05
▶NVDdlink/dns-320l_firmware2026-02-05

🔴Vulnerability Details

2
GHSA
GHSA-46rv-vf36-7m9j: A vulnerability was found 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,↗2026-04-01
▶
CVEList
D-Link DNS-1550-04 account_mgr.cgi cgi_addgroup_get_group_quota_minsize stack-based overflow↗2026-03-31
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