High severity · published Apr 10, 2026
CVE-2026-6014
D-Link DIR-513 POST Request formAdvanceSetup buffer overflow
8.8
CVSS
0.7%
EPSS
No
On KEV
Description
A flaw has been found in D-Link DIR-513 1.10. This issue affects the function formAdvanceSetup of the file /goform/formAdvanceSetup of the component POST Request Handler. This manipulation of the argument webpage causes buffer overflow. It is possible to initiate the attack remotely. The exploit has been published and may be used. This vulnerability only affects products that are no longer supported by the maintainer.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 54% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DI
DIR-513 · D-Link
1.10 · source: vendor
DF
Dir-513 Firmware · Dlink
1.10 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-6014
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-6014
Exploit
https://lavender-bicycle-a5a.notion.site/D-Link-DIR-513-formAdvanceSetup-33153a41781f80829d47ec9b86dd8abf?source=copy_link
Third Party Advisory
https://vuldb.com/submit/791860
Third Party Advisory
https://vuldb.com/vuln/356570
Permissions Required
https://vuldb.com/vuln/356570/cti
Product
https://www.dlink.com/
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