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High severity · published Jul 21, 2025
CVE-2025-7945
D-Link DIR-513 formSetWanDhcpplus buffer overflow
8.8
CVSS
7.1%
EPSS
No
On KEV
Description
A vulnerability was found in D-Link DIR-513 up to 20190831. It has been declared as critical. This vulnerability affects the function formSetWanDhcpplus of the file /goform/formSetWanDhcpplus. The manipulation of the argument curTime leads to buffer overflow. The attack can be initiated remotely. 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)7.1% · higher than 94% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DI
DIR-513 · D-Link
20190831 · source: vendor
Affected product
DI
DIR-513
D-Link
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-7945
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-7945
github.com
https://github.com/LYN1ng/D-linkdir513/blob/main/Dlink_DIR-513_Buffer_Overflow_Vulnerability.md
vuldb.com
https://vuldb.com/?ctiid.317086
vuldb.com
https://vuldb.com/?id.317086
vuldb.com
https://vuldb.com/?submit.619200
www.dlink.com
https://www.dlink.com/
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