A buffer overflow vulnerability was discovered in D-Link DSL-3782 v1.01, triggered by the…
Priority MEDIUM 59CWE-121Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-121 and the CVSS impact.
Summary
A buffer overflow vulnerability was discovered in D-Link DSL-3782 v1.01, triggered by the destination, netmask and gateway parameters. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted packet.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00321 25th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:dlink:dsl-3782_firmware:1.01:*:*:*:*:*:*:* | 1.01 | Vulnerable | D-Link Japan K.K. |
| cpe:2.3:h:dlink:dsl-3782:-:*:*:*:*:*:*:* | not specified by NVD | Running on | D-Link Japan K.K. |
- cpe:2.3:o:dlink:dsl-3782_firmware:1.01:*:*:*:*:*:*:* Versions 1.01 Vulnerable ·D-Link Japan K.K.
- cpe:2.3:h:dlink:dsl-3782:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·D-Link Japan K.K.
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-25891
- 2026-10-03 Alias added: GHSA-4w46-7mrq-64vx
More D-Link Japan K.K. Dsl-3782 Firmware vulnerabilities
- TI-2023-24037 An issue found in D-Link DSL-3782 v.1.03 and before allows remote authenticated users to… CVSS 3.1HIGH 8.8
- TI-2025-19169 An OS command injection vulnerability was discovered in D-Link DSL-3782 v1.01 via the… CVSS 3.1HIGH 8.0
- TI-2025-19168 An OS command injection vulnerability was discovered in D-Link DSL-3782 v1.01 via the… CVSS 3.1HIGH 8.0
- TI-2025-19167 An OS command injection vulnerability was discovered in D-Link DSL-3782 v1.01 via the… CVSS 3.1HIGH 8.0
- TI-2025-19170 A buffer overflow vulnerability was discovered in D-Link DSL-3782 v1.01 via the… CVSS 3.1MEDIUM 5.7
- TI-2025-19166 A buffer overflow vulnerability was discovered in D-Link DSL-3782 v1.01 via the sstartip… CVSS 3.1MEDIUM 5.7
Sources
- CVE-2025-25891 · CVE Program
- CVE-2025-25891 · NVD
- FIRST EPSS
- GHSA-4w46-7mrq-64vx · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences