D-Link DNS-320 2.06B01 Revision Ax /cgi-bin/system_mgr.cgi command injection

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.0$0-$5k0.00

Summaryinfo

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.

Detailsinfo

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.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB 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: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Command injection
CWE: 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-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/14/2020 🔍
02/02/2021 +141 days 🔍
02/02/2021 +0 days 🔍
02/08/2025 +1466 days 🔍

Sourcesinfo

Vendor: dlink.com

Advisory: 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

Entryinfo

Created: 02/02/2021 21:38
Updated: 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.

Discussion

No comments yet. Languages: en.

Please log in to comment.

Want to know what is going to be exploited?

We predict KEV entries!