Vulnerability Monitor

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CVE-2025-9938

A weakness has been identified in D-Link DI-8400 16.07.26A1. The affected element is the function yyxz_dlink_asp of the file /yyxz.asp. This manipulation of the argument ID causes stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be exploited.

Published

2025-09-04T10:42:38.270

Last Modified

2025-09-29T18:30:16.607

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 8.8 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:S/C:C/I:C/A:C

Access Vector: NETWORK
Access Complexity: LOW
Authentication: SINGLE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

8.0

Impact Score

10.0

Weaknesses

Type: Secondary
CWE-119
CWE-121
Type: Primary
CWE-787

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	dlink	di-8400_firmware	16.07.26a1	Yes
Hardware	dlink	di-8400	a1	No

References

https://github.com/ZZ2266/.github.io/tree/main/Dlink/DI-8400/yyxz.asp Exploit, Third Party Advisory ([email protected])
https://github.com/ZZ2266/.github.io/tree/main/Dlink/DI-8400/yyxz.asp#proof-of-concept-poc Exploit, Third Party Advisory ([email protected])
https://vuldb.com/?ctiid.322340 Permissions Required, VDB Entry ([email protected])
https://vuldb.com/?id.322340 Third Party Advisory, VDB Entry ([email protected])
https://vuldb.com/?submit.643446 Third Party Advisory, VDB Entry ([email protected])
https://www.dlink.com/ Product ([email protected])