CVE-2025-4348
D-Link DIR-600L formSetWanL2TP buffer overflow
A vulnerability was found in D-Link DIR-600L up to 2.07B01. It has been rated as critical. Affected by this issue is the function formSetWanL2TP. The manipulation of the argument host leads to buffer overflow. The attack may be launched remotely. This vulnerability only affects products that are no longer supported by the maintainer.
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 DIR-600L formSetWanL2TP buffer overflow
A vulnerability was found in D-Link DIR-600L up to 2.07B01. It has been rated as critical. Affected by this issue is the function formSetWanL2TP. The manipulation of the argument host leads to buffer overflow. The attack may be launched remotely. This vulnerability only affects products that are no longer supported by the maintainer.
- Record
CVE-2025-4348- 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 - 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 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 9.0
AV:N/AC:L/Au:S/C:C/I:C/A:C - Weakness
- CWE-120, CWE-119
- Updated
- 2026-11-02
EUVDEUVD-2025-13577
A vulnerability was found in D-Link DIR-600L up to 2.07B01. It has been rated as critical. Affected by this issue is the function formSetWanL2TP. The manipulation of the argument host leads to buffer overflow. The attack may be launched remotely. This vulnerability only affects products that are no longer supported by the maintainer.
- Record
EUVD-2025-13577- 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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-gfj4-xfm6-jh2c
A vulnerability was found in D-Link DIR-600L up to 2.07B01. It has been rated as critical....
A vulnerability was found in D-Link DIR-600L up to 2.07B01. It has been rated as critical. Affected by this issue is the function formSetWanL2TP. The manipulation of the argument host leads to buffer overflow. The attack may be launched remotely. This vulnerability only affects products that are no longer supported by the maintainer.
- Record
GHSA-gfj4-xfm6-jh2c- 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:X/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-120
- Updated
- 2026-11-02
NVD
A vulnerability was found in D-Link DIR-600L up to 2.07B01. It has been rated as critical. Affected by this issue is the function formSetWanL2TP. The manipulation of the argument host leads to buffer overflow. The attack may be launched remotely. This vulnerability only affects products that are no longer supported by the maintainer.
- Record
CVE-2025-4348- 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:X/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 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/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-120
- 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-2025-4348 is a high vulnerability (CVSS 8.7) in D-link Dir-600l, published May 6, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.48%, the 84th percentile. No source names a fixed version.