D-Link DNS-320 2.06B01 Revision Ax /cgi-bin/system_mgr.cgi command injection
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 8.0 | $0-$5k | 0.00 |
Summary
A vulnerability categorized as critical has been discovered in D-Link DNS-320 2.06B01 Revision Ax. Affected by this issue is some unknown functionality of the file /cgi-bin/system_mgr.cgi. Such manipulation leads to command injection. This vulnerability is documented as CVE-2020-25506. The attack can be executed remotely. Additionally, an exploit exists.
Details
A vulnerability was found in D-Link DNS-320 2.06B01 Revision Ax and classified as critical. Affected by this issue is an unknown functionality of the file /cgi-bin/system_mgr.cgi. The manipulation with an unknown input leads to a command injection vulnerability. Using CWE to declare the problem leads to CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability.
The weakness was released 02/02/2021. The advisory is shared for download at gist.github.com. This vulnerability is handled as CVE-2020-25506. Technical details as well as a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1202.
The exploit is available at gist.github.com. It is declared as attacked. As 0-day the estimated underground price was around $5k-$25k. This issue was added on 11/03/2021 to the CISA Known Exploited Vulnerabilities Catalog with a due date of 05/03/2022:
Apply updates per vendor instructions.There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Vendor
Name
Version
License
Website
- Vendor: https://www.dlink.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 8.0VulDB Meta Temp Score: 8.0
VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 9.8
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Command injectionCWE: CWE-77 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Attacked
Download: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
KEV Notice: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
09/14/2020 🔍02/02/2021 🔍
02/02/2021 🔍
02/08/2025 🔍
Sources
Vendor: dlink.comAdvisory: gist.github.com
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2020-25506 (🔍)
GCVE (CVE): GCVE-0-2020-25506
GCVE (VulDB): GCVE-100-169016
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 02/02/2021 21:38Updated: 02/08/2025 00:25
Changes: 02/02/2021 21:38 (40), 02/22/2021 10:02 (2), 02/22/2021 10:08 (18), 04/21/2024 06:23 (28), 09/09/2024 22:29 (1), 02/08/2025 00:25 (6)
Complete: 🔍
Cache ID: 216::103
VulDB is the best source for vulnerability data and more expert information about this specific topic.
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