High severity · published Mar 22, 2026
CVE-2026-4555
D-Link DIR-513 boa formEasySetTimezone memory corruption
8.8
CVSS
0.8%
EPSS
No
On KEV
Description
A weakness has been identified in D-Link DIR-513 1.10. The impacted element is the function formEasySetTimezone of the file /goform/formEasySetTimezone of the component boa. This manipulation of the argument curTime causes stack-based buffer overflow. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks. 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)0.8% · higher than 55% 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-2026-4555
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-4555
Exploit
https://github.com/Litengzheng/vul_db/blob/main/Dir513/vul_24/README.md
Permissions Required
https://vuldb.com/?ctiid.352382
Third Party Advisory
https://vuldb.com/?id.352382
Third Party Advisory
https://vuldb.com/?submit.774936
Product
https://www.dlink.com/
More from DIR-513
8.8
CVE-2026-6014
D-Link DIR-513 POST Request formAdvanceSetup buffer overflow
8.8
CVE-2026-6013
D-Link DIR-513 POST Request formSetRoute buffer overflow
8.8
CVE-2026-6012
D-Link DIR-513 POST Request formSetPassword buffer overflow
8.8
CVE-2026-5024
D-Link DIR-513 formSetEmail stack-based overflow
8.8
CVE-2026-4486
D-Link DIR-513 Web Service formEasySetPassword stack-based overflow