CVE-2026-5214
Detail
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 public and could be used.
Metrics
CVSS Version 4.0
CVSS Version 3.x
CVSS Version 2.0
NVD enrichment efforts reference publicly available information to associate
vector strings. CVSS information contributed by other sources is also
displayed.
CVSS 4.0 Severity and Vector Strings:
NVD assessment
not yet provided.
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
CVSS 3.x Severity and Vector Strings:
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 Severity and Vector Strings:
NVD assessment
not yet provided.
Vector: (AV:N/AC:L/Au:S/C:C/I:C/A:C)
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Weakness Enumeration
CWE-ID
CWE Name
Source
CWE-787
Out-of-bounds Write
NIST
CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
VulDB
CWE-121
Stack-based Buffer Overflow
VulDB
Change History
4 change records found show changes
CVE Modified by CISA-ADP
6/17/2026 6:58:37 AM
Action
Type
Old Value
New Value
Added
SSVC
{"timestamp":"2026-04-01T15:38:40.244697Z","id":"CVE-2026-5214","options":[{"exploitation":"poc"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}
CVE Modified by VulDB
6/17/2026 6:58:37 AM
Action
Type
Old Value
New Value
Added
Affected
[{"vendor":"D-Link","product":"DNS-120","versions":[{"version":"20260205","status":"affected"}]},{"vendor":"D-Link","product":"DNR-202L","versions":[{"version":"20260205","status":"affected"}]},{"vendor":"D-Link","product":"DNS-315L","versions":[{"version":"20260205","status":"affected"}]},{"vendor":"D-Link","product":"DNS-320","versions":[{"version":"20260205","status":"affected"}]},{"vendor":"D-Link","product":"DNS-320L","versions":[{"version":"20260205","status":"affected"}]},{"vendor":"D-Link","product":"DNS-320LW","versions":[{"version":"20260205","status":"affected"}]},{"vendor":"D-Link","product":"DNS-321","versions":[{"version":"20260205","status":"affected"}]},{"vendor":"D-Link","product":"DNR-322L","versions":[{"version":"20260205","status":"affected"}]},{"vendor":"D-Link","product":"DNS-323","versions":[{"version":"20260205","status":"affected"}]},{"vendor":"D-Link","product":"DNS-325","versions":[{"version":"20260205","status":"affected"}]},{"vendor":"D-Link","product":"DNS-326","versions":[{"version":"20260205","status":"affected"}]},{"vendor":"D-Link","product":"DNS-327L","versions":[{"version":"20260205","status":"affected"}]},{"vendor":"D-Link","product":"DNR-326","versions":[{"version":"20260205","status":"affected"}]},{"vendor":"D-Link","product":"DNS-340L","versions":[{"version":"20260205","status":"affected"}]},{"vendor":"D-Link","product":"DNS-343","versions":[{"version":"20260205","status":"affected"}]},{"vendor":"D-Link","product":"DNS-345","versions":[{"version":"20260205","status":"affected"}]},{"vendor":"D-Link","product":"DNS-726-4","versions":[{"version":"20260205","status":"affected"}]},{"vendor":"D-Link","product":"DNS-1100-4","versions":[{"version":"20260205","status":"affected"}]},{"vendor":"D-Link","product":"DNS-1200-05","versions":[{"version":"20260205","status":"affected"}]},{"vendor":"D-Link","product":"DNS-1550-04","versions":[{"version":"20260205","status":"affected"}]}]
Initial Analysis by NIST
4/02/2026 1:16:00 PM
Action
Type
Old Value
New Value
Added
CWE
CWE-787
Added
CPE Configuration
AND
OR
*cpe:2.3:o:dlink:dnr-202l_firmware:*:*:*:*:*:*:*:* versions up to (including) 2026-02-05
OR
cpe:2.3:h:dlink:dnr-202l:-:*:*:*:*:*:*:*
Added
CPE Configuration
AND
OR
*cpe:2.3:o:dlink:dnr-326_firmware:*:*:*:*:*:*:*:* versions up to (including) 2026-02-05
OR
cpe:2.3:h:dlink:dnr-326:-:*:*:*:*:*:*:*
Added
CPE Configuration
AND
OR
*cpe:2.3:o:dlink:dns-1100-4_firmware:*:*:*:*:*:*:*:* versions up to (including) 2026-02-05
OR
cpe:2.3:h:dlink:dns-1100-4:-:*:*:*:*:*:*:*
Added
CPE Configuration
AND
OR
*cpe:2.3:o:dlink:dns-1200-05_firmware:*:*:*:*:*:*:*:* versions up to (including) 2026-02-05
OR
cpe:2.3:h:dlink:dns-1200-05:-:*:*:*:*:*:*:*
Added
CPE Configuration
AND
OR
*cpe:2.3:o:dlink:dns-120_firmware:*:*:*:*:*:*:*:* versions up to (including) 2026-02-05
OR
cpe:2.3:h:dlink:dns-120:-:*:*:*:*:*:*:*
Added
CPE Configuration
AND
OR
*cpe:2.3:o:dlink:dns-1550-04_firmware:*:*:*:*:*:*:*:* versions up to (including) 2026-02-05
OR
cpe:2.3:h:dlink:dns-1550-04:-:*:*:*:*:*:*:*
Added
CPE Configuration
AND
OR
*cpe:2.3:o:dlink:dns-315l_firmware:*:*:*:*:*:*:*:* versions up to (including) 2026-02-05
OR
cpe:2.3:h:dlink:dns-315l:-:*:*:*:*:*:*:*
Added
CPE Configuration
AND
OR
*cpe:2.3:o:dlink:dns-320_firmware:*:*:*:*:*:*:*:* versions up to (including) 2026-02-05
OR
cpe:2.3:h:dlink:dns-320:-:*:*:*:*:*:*:*
Added
CPE Configuration
AND
OR
*cpe:2.3:o:dlink:dns-320l_firmware:*:*:*:*:*:*:*:* versions up to (including) 2026-02-05
OR
cpe:2.3:h:dlink:dns-320l:-:*:*:*:*:*:*:*
Added
CPE Configuration
AND
OR
*cpe:2.3:o:dlink:dns-320lw_firmware:*:*:*:*:*:*:*:* versions up to (including) 2026-02-05
OR
cpe:2.3:h:dlink:dns-320lw:-:*:*:*:*:*:*:*
Added
CPE Configuration
AND
OR
*cpe:2.3:o:dlink:dns-321_firmware:*:*:*:*:*:*:*:* versions up to (including) 2026-02-05
OR
cpe:2.3:h:dlink:dns-321:-:*:*:*:*:*:*:*
Added
CPE Configuration
AND
OR
*cpe:2.3:o:dlink:dns-322l_firmware:*:*:*:*:*:*:*:* versions up to (including) 2026-02-05
OR
cpe:2.3:h:dlink:dns-322l:-:*:*:*:*:*:*:*
Added
CPE Configuration
AND
OR
*cpe:2.3:o:dlink:dns-323_firmware:*:*:*:*:*:*:*:* versions up to (including) 2026-02-05
OR
cpe:2.3:h:dlink:dns-323:-:*:*:*:*:*:*:*
Added
CPE Configuration
AND
OR
*cpe:2.3:o:dlink:dns-325_firmware:*:*:*:*:*:*:*:* versions up to (including) 2026-02-05
OR
cpe:2.3:h:dlink:dns-325:-:*:*:*:*:*:*:*
Added
CPE Configuration
AND
OR
*cpe:2.3:o:dlink:dns-326_firmware:*:*:*:*:*:*:*:* versions up to (including) 2026-02-05
OR
cpe:2.3:h:dlink:dns-326:-:*:*:*:*:*:*:*
Added
CPE Configuration
AND
OR
*cpe:2.3:o:dlink:dns-327l_firmware:*:*:*:*:*:*:*:* versions up to (including) 2026-02-05
OR
cpe:2.3:h:dlink:dns-327l:-:*:*:*:*:*:*:*
Added
CPE Configuration
AND
OR
*cpe:2.3:o:dlink:dns-340l_firmware:*:*:*:*:*:*:*:* versions up to (including) 2026-02-05
OR
cpe:2.3:h:dlink:dns-340l:-:*:*:*:*:*:*:*
Added
CPE Configuration
AND
OR
*cpe:2.3:o:dlink:dns-343_firmware:*:*:*:*:*:*:*:* versions up to (including) 2026-02-05
OR
cpe:2.3:h:dlink:dns-343:-:*:*:*:*:*:*:*
Added
CPE Configuration
AND
OR
*cpe:2.3:o:dlink:dns-345_firmware:*:*:*:*:*:*:*:* versions up to (including) 2026-02-05
OR
cpe:2.3:h:dlink:dns-345:-:*:*:*:*:*:*:*
Added
CPE Configuration
AND
OR
*cpe:2.3:o:dlink:dns-726-4_firmware:*:*:*:*:*:*:*:* versions up to (including) 2026-02-05
OR
cpe:2.3:h:dlink:dns-726-4:-:*:*:*:*:*:*:*
Added
Reference Type
VulDB: https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_169/169.md Types: Exploit, Third Party Advisory
Added
Reference Type
VulDB: https://vuldb.com/submit/780439 Types: Third Party Advisory, VDB Entry
Added
Reference Type
VulDB: https://vuldb.com/vuln/354349 Types: Third Party Advisory, VDB Entry
Added
Reference Type
VulDB: https://vuldb.com/vuln/354349/cti Types: Permissions Required, VDB Entry
Added
Reference Type
VulDB: https://www.dlink.com/ Types: Product
New CVE Received from VulDB
3/31/2026 6:16:22 PM
Action
Type
Old Value
New Value
Added
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 public and could be used.
Added
CVSS V4.0
AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Added
CVSS V3.1
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Added
CVSS V2
(AV:N/AC:L/Au:S/C:C/I:C/A:C)
Added
CWE
CWE-119
Added
CWE
CWE-121
Added
Reference
https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_169/169.md
Added
Reference
https://vuldb.com/submit/780439
Added
Reference
https://vuldb.com/vuln/354349
Added
Reference
https://vuldb.com/vuln/354349/cti
Added
Reference
https://www.dlink.com/
Quick Info
CVE Dictionary Entry: CVE-2026-5214 NVD
Published Date: 03/31/2026 NVD
Last Modified: 06/17/2026
Source: VulDB
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