D-Link DSL-2750B prior 1.05 login.cgi cli command injection

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability was found in D-Link DSL-2750B. It has been rated as critical. This issue affects an unknown functionality of the file login.cgi. The manipulation of the argument cli with an unknown input leads to a command injection vulnerability. Using CWE to declare the problem leads to CWE-77. The software 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 summary by CVE is:

D-Link DSL-2750B devices before 1.05 allow remote unauthenticated command injection via the login.cgi cli parameter, as exploited in the wild in 2016 through 2022.

The weakness was released 10/19/2022. It is possible to read the advisory at seclists.org. The identification of this vulnerability is CVE-2016-20017. Technical details as well as a public exploit are known. The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

It is declared as functional. The exploit is available at exploit-db.com. We expect the 0-day to have been worth approximately $5k-$25k.

Upgrading to version 1.05 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Exploit-DB (44760).





  • commercial

CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.8

VulDB Base Score: 7.3
VulDB Temp Score: 6.8
VulDB Vector: 🔒
VulDB Reliability: 🔍



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


Class: Command injection
CWE: CWE-77 / CWE-74 / CWE-707
ATT&CK: T1202

Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Functional
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒


Exploit-DB: 🔒

Threat Intelligenceinfo

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


Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: DSL-2750B 1.05


10/19/2022 Advisory disclosed
10/19/2022 +0 days CVE reserved
10/19/2022 +0 days VulDB entry created
11/18/2022 +30 days VulDB last update


Vendor: dlink.com

Advisory: seclists.org
Status: Confirmed

CVE: CVE-2016-20017 (🔒)
scip Labs: https://www.scip.ch/en/?labs.20161013


Created: 10/19/2022 12:56 PM
Updated: 11/18/2022 08:04 AM
Changes: 10/19/2022 12:56 PM (43), 11/18/2022 08:04 AM (1)
Complete: 🔍


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