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Critical severity · published Sep 18, 2025
CVE-2025-10666
A security flaw has been discovered in D-Link DIR-825 up to 2.10
9.8
CVSS
3.4%
EPSS
No
On KEV
Description
A security flaw has been discovered in D-Link DIR-825 up to 2.10. Affected by this vulnerability is the function sub_4106d4 of the file apply.cgi. The manipulation of the argument countdown_time results in buffer overflow. The attack can be executed remotely. The exploit has been released to the public and may be exploited. This vulnerability only affects products that are no longer supported by the maintainer.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.4% · higher than 89% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DF
Dir-825 Firmware · Dlink
through 2.10 · source: NVD
Affected product
DF
Dir-825 Firmware
Dlink
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-10666
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-10666
Exploit
https://github.com/panda666-888/vuls/blob/main/d-link/dir-825/apply.cgi.md
Exploit
https://github.com/panda666-888/vuls/blob/main/d-link/dir-825/apply.cgi.md#poc
Permissions Required
https://vuldb.com/?ctiid.324787
Third Party Advisory
https://vuldb.com/?id.324787
Third Party Advisory
https://vuldb.com/?submit.652047
Product
https://www.dlink.com/
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