A lack of input validation and access controls in Lua CGIs on D-Link DSR VPN routers may…
Priority MEDIUM 42CWE-20Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-78.
Summary
A lack of input validation and access controls in Lua CGIs on D-Link DSR VPN routers may result in arbitrary input being passed to system command APIs, resulting in arbitrary command execution with root privileges. This affects DSR-150, DSR-250, DSR-500, and DSR-1000AC with firmware 3.14 and 3.17.
Why it matters now
EPSS 0.02133 82nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
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 · 20
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:dlink:dsr-150_firmware:*:*:*:*:*:*:*:* | up to 3.17 | Vulnerable | D-Link Japan K.K. |
| cpe:2.3:h:dlink:dsr-150:-:*:*:*:*:*:*:* | not specified by NVD | Running on | D-Link Japan K.K. |
| cpe:2.3:o:dlink:dsr-150n_firmware:*:*:*:*:*:*:*:* | up to 3.17 | Vulnerable | D-Link Japan K.K. |
| cpe:2.3:h:dlink:dsr-150n:-:*:*:*:*:*:*:* | not specified by NVD | Running on | D-Link Japan K.K. |
| cpe:2.3:o:dlink:dsr-250_firmware:*:*:*:*:*:*:*:* | up to 3.17 | Vulnerable | D-Link Japan K.K. |
| cpe:2.3:h:dlink:dsr-250:-:*:*:*:*:*:*:* | not specified by NVD | Running on | D-Link Japan K.K. |
| cpe:2.3:o:dlink:dsr-250n_firmware:*:*:*:*:*:*:*:* | up to 3.17 | Vulnerable | D-Link Japan K.K. |
| cpe:2.3:h:dlink:dsr-250n:-:*:*:*:*:*:*:* | not specified by NVD | Running on | D-Link Japan K.K. |
| cpe:2.3:o:dlink:dsr-500_firmware:*:*:*:*:*:*:*:* | up to 3.17 | Vulnerable | D-Link Japan K.K. |
| cpe:2.3:h:dlink:dsr-500:-:*:*:*:*:*:*:* | not specified by NVD | Running on | D-Link Japan K.K. |
- cpe:2.3:o:dlink:dsr-150_firmware:*:*:*:*:*:*:*:* Versions up to 3.17 Vulnerable ·D-Link Japan K.K.
- cpe:2.3:h:dlink:dsr-150:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·D-Link Japan K.K.
- cpe:2.3:o:dlink:dsr-150n_firmware:*:*:*:*:*:*:*:* Versions up to 3.17 Vulnerable ·D-Link Japan K.K.
- cpe:2.3:h:dlink:dsr-150n:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·D-Link Japan K.K.
- cpe:2.3:o:dlink:dsr-250_firmware:*:*:*:*:*:*:*:* Versions up to 3.17 Vulnerable ·D-Link Japan K.K.
- cpe:2.3:h:dlink:dsr-250:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·D-Link Japan K.K.
- cpe:2.3:o:dlink:dsr-250n_firmware:*:*:*:*:*:*:*:* Versions up to 3.17 Vulnerable ·D-Link Japan K.K.
- cpe:2.3:h:dlink:dsr-250n:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·D-Link Japan K.K.
- cpe:2.3:o:dlink:dsr-500_firmware:*:*:*:*:*:*:*:* Versions up to 3.17 Vulnerable ·D-Link Japan K.K.
- cpe:2.3:h:dlink:dsr-500:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·D-Link Japan K.K.
Show 10 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:dlink:dsr-500n_firmware:*:*:*:*:*:*:*:* | all versions | Vulnerable | D-Link Japan K.K. |
| cpe:2.3:h:dlink:dsr-500n:-:*:*:*:*:*:*:* | not specified by NVD | Running on | D-Link Japan K.K. |
| cpe:2.3:o:dlink:dsr-500ac_firmware:*:*:*:*:*:*:*:* | up to 3.17 | Vulnerable | D-Link Japan K.K. |
| cpe:2.3:h:dlink:dsr-500ac:-:*:*:*:*:*:*:* | not specified by NVD | Running on | D-Link Japan K.K. |
| cpe:2.3:o:dlink:dsr-1000_firmware:*:*:*:*:*:*:*:* | up to 3.17 | Vulnerable | D-Link Japan K.K. |
| cpe:2.3:h:dlink:dsr-1000:-:*:*:*:*:*:*:* | not specified by NVD | Running on | D-Link Japan K.K. |
| cpe:2.3:o:dlink:dsr-1000n_firmware:*:*:*:*:*:*:*:* | up to 3.17 | Vulnerable | D-Link Japan K.K. |
| cpe:2.3:h:dlink:dsr-1000n:-:*:*:*:*:*:*:* | not specified by NVD | Running on | D-Link Japan K.K. |
| cpe:2.3:o:dlink:dsr-1000ac_firmware:*:*:*:*:*:*:*:* | up to 3.17 | Vulnerable | D-Link Japan K.K. |
| cpe:2.3:h:dlink:dsr-1000ac:-:*:*:*:*:*:*:* | not specified by NVD | Running on | D-Link Japan K.K. |
- cpe:2.3:o:dlink:dsr-500n_firmware:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·D-Link Japan K.K.
- cpe:2.3:h:dlink:dsr-500n:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·D-Link Japan K.K.
- cpe:2.3:o:dlink:dsr-500ac_firmware:*:*:*:*:*:*:*:* Versions up to 3.17 Vulnerable ·D-Link Japan K.K.
- cpe:2.3:h:dlink:dsr-500ac:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·D-Link Japan K.K.
- cpe:2.3:o:dlink:dsr-1000_firmware:*:*:*:*:*:*:*:* Versions up to 3.17 Vulnerable ·D-Link Japan K.K.
- cpe:2.3:h:dlink:dsr-1000:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·D-Link Japan K.K.
- cpe:2.3:o:dlink:dsr-1000n_firmware:*:*:*:*:*:*:*:* Versions up to 3.17 Vulnerable ·D-Link Japan K.K.
- cpe:2.3:h:dlink:dsr-1000n:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·D-Link Japan K.K.
- cpe:2.3:o:dlink:dsr-1000ac_firmware:*:*:*:*:*:*:*:* Versions up to 3.17 Vulnerable ·D-Link Japan K.K.
- cpe:2.3:h:dlink:dsr-1000ac:-:*:*:*:*:*:*:* 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-2020-25757
- 2026-10-03 Alias added: GHSA-7374-8xfw-v758
References
More D-Link Japan K.K. Dsr-1000 Firmware vulnerabilities
- TI-2013-05068 Multiple SQL injection vulnerabilities in D-Link DSR-150 with firmware before 1.08B44… CVSS 3.1CRITICAL 9.8
- TI-2013-05069 The runShellCmd function in systemCheck.htm in D-Link DSR-150 with firmware before… CVSS 2.0HIGH 10.0
- TI-2020-15768 An issue was discovered on D-Link DSR-250 3.17 devices. CVSS 3.1HIGH 8.8
- TI-2020-15767 An issue was discovered on D-Link DSR-250 3.17 devices. CVSS 3.1HIGH 8.8
- TI-2013-05757 D-Link DSR-150 with firmware before 1.08B44; DSR-150N with firmware before 1.05B64… CVSS 2.0HIGH 7.8
- TI-2013-05758 D-Link DSR-150 with firmware before 1.08B44; DSR-150N with firmware before 1.05B64… CVSS 2.0MEDIUM 4.9
Sources
- CVE-2020-25757 · CVE Program
- CVE-2020-25757 · NVD
- FIRST EPSS
- GHSA-7374-8xfw-v758 · 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