High severity · published Mar 20, 2026
CVE-2026-4486
D-Link DIR-513 Web Service formEasySetPassword stack-based overflow
8.8
CVSS
0.6%
EPSS
No
On KEV
Description
A vulnerability was found in D-Link DIR-513 1.10. This affects the function formEasySetPassword of the file /goform/formEasySetPassword of the component Web Service. The manipulation of the argument curTime results in stack-based buffer overflow. The attack may be performed from remote. The exploit has been made public and could 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)0.6% · higher than 50% 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-2026-4486
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-4486
Exploit
https://github.com/InfiniteLin/Lin-s-CVEdb/blob/main/DIR-513/formEasySetPassword/formEasySetPassword.md
Exploit
https://github.com/InfiniteLin/Lin-s-CVEdb/blob/main/DIR-513/formEasySetPassword/poc.py
Permissions Required
https://vuldb.com/?ctiid.352009
Third Party Advisory
https://vuldb.com/?id.352009
Issue Tracking
https://vuldb.com/?submit.773537
Third Party Advisory
https://vuldb.com/?submit.773566
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