High severity · published Jun 17, 2025
CVE-2025-6158
D-Link DIR-665 HTTP POST Request sub_AC78 stack-based overflow
8.8
CVSS
1.2%
EPSS
No
On KEV
Description
A vulnerability classified as critical has been found in D-Link DIR-665 1.00. This affects the function sub_AC78 of the component HTTP POST Request Handler. The manipulation leads to stack-based buffer overflow. It is possible to initiate the attack 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)1.2% · higher than 68% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DI
DIR-665 · D-Link
1.00 · source: vendor
DF
Dir-655 Firmware · Dlink
1.00 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-6158
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-6158
Exploit
https://github.com/xiaobor123/vul-finds/tree/main/vul-find-dir665-dlink
Exploit
https://github.com/xiaobor123/vul-finds/tree/main/vul-find-dir665-dlink#poc
Permissions Required
https://vuldb.com/?ctiid.312633
Third Party Advisory
https://vuldb.com/?id.312633
Third Party Advisory
https://vuldb.com/?submit.593161
Product
https://www.dlink.com/