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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8.9$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in D-Link DSL-2750B. Affected by this issue is some unknown functionality of the file login.cgi. The manipulation of the argument cli leads to command injection. This vulnerability is documented as CVE-2016-20017. The attack can be initiated remotely. Additionally, an exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

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 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 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.

The exploit is available at exploit-db.com. It is declared as attacked. We expect the 0-day to have been worth approximately $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 241512 (D-Link DSL-2750B Devices < 1.05 Command Injection (CVE-2016-20017)), which helps to determine the existence of the flaw in a target environment. The CISA Known Exploited Vulnerabilities Catalog lists this issue since 01/08/2024 with a due date of 01/29/2024:

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Upgrading to version 1.05 eliminates this vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (44760) and Tenable (241512). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.0
VulDB Meta Temp Score: 8.9

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CNA Base Score: 9.8
CNA Vector: 🔍

CVSSv2info

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

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: 🔍

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Nessus ID: 241512
Nessus Name: D-Link DSL-2750B Devices < 1.05 Command Injection (CVE-2016-20017)

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: DSL-2750B 1.05

Timelineinfo

10/19/2022 🔍
10/19/2022 +0 days 🔍
10/19/2022 +0 days 🔍
07/09/2025 +993 days 🔍

Sourcesinfo

Vendor: dlink.com

Advisory: seclists.org
Status: Confirmed

CVE: CVE-2016-20017 (🔍)
GCVE (CVE): GCVE-0-2016-20017
GCVE (VulDB): GCVE-100-211751
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 10/19/2022 12:56
Updated: 07/09/2025 01:24
Changes: 10/19/2022 12:56 (43), 11/18/2022 08:04 (1), 04/30/2024 09:38 (29), 09/09/2024 22:30 (1), 01/22/2025 20:36 (12), 02/03/2025 21:05 (11), 07/09/2025 01:24 (2)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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