High severity · published Jul 20, 2025
CVE-2025-7909
D-Link DIR-513 Boa Webserver formLanSetupRouterSettings sprintf stack-based overflow
8.8
CVSS
1.7%
EPSS
No
On KEV
Description
A vulnerability was found in D-Link DIR-513 1.0. It has been rated as critical. Affected by this issue is the function sprintf of the file /goform/formLanSetupRouterSettings of the component Boa Webserver. The manipulation of the argument curTime leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public 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)1.7% · higher than 78% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DI
DIR-513 · D-Link
1.0 · source: vendor
DF
Dir-513 Firmware · Dlink
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-7909
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-7909
Exploit
https://github.com/buobo/bo-s-CVE/blob/main/DIR-513/formLanSetupRouterSettings.md
Permissions Required
https://vuldb.com/?ctiid.317024
Third Party Advisory
https://vuldb.com/?id.317024
Third Party Advisory
https://vuldb.com/?submit.618593
Product
https://www.dlink.com/
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