CVE-2025-9938
D-Link DI-8400 yyxz.asp yyxz_dlink_asp stack-based overflow
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
D-Link DI-8400 yyxz.asp yyxz_dlink_asp stack-based overflow
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.
- Record
CVE-2025-9938- CVSS 4.0
- 8.7 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P - CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R - CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R - CVSS 2.0
- 9.0
AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR - Weakness
- CWE-121, CWE-119
- Updated
- 2026-11-02
EUVDEUVD-2025-26658
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.
- Record
EUVD-2025-26658- CVSS 4.0
- 8.7 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-pmpm-w6cf-w2p8
A weakness has been identified in D-Link DI-8400 16.07.26A1. The affected element is the function...
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.
- Record
GHSA-pmpm-w6cf-w2p8- CVSS 4.0
- 7.4 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-119, CWE-787
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2025-9938- CVSS 4.0
- 7.4 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 9.0 High
AV:N/AC:L/Au:S/C:C/I:C/A:C - Weakness
- CWE-119, CWE-121, CWE-787
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-9938 is a high vulnerability (CVSS 8.7) in D-link Di-8400, published September 3, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.69%, the 77th percentile. No source names a fixed version.