VDB-344859 · Submit #748376 · CVE-2026-2157

D-Link DIR-823X 250416 set_static_route_table sub_4175CC interface/destip/netmask/gateway/metric os 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.
6.8	$0-$5k	0.36

Summaryinfo

A vulnerability marked as critical has been reported in D-Link DIR-823X 250416. This impacts the function sub_4175CC of the file /goform/set_static_route_table. Performing a manipulation of the argument interface/destip/netmask/gateway/metric results in os command injection. This vulnerability is cataloged as CVE-2026-2157. It is possible to initiate the attack remotely. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability was found in D-Link DIR-823X 250416. It has been classified as critical. This affects the function sub_4175CC of the file /goform/set_static_route_table. The manipulation of the argument interface/destip/netmask/gateway/metric with an unknown input leads to a os command injection vulnerability. CWE is classifying the issue as CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability.

It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2026-2157. The exploitability is told to be easy. It is possible to initiate the attack remotely. Additional levels of successful authentication are needed for exploitation. Technical details and a public exploit are known. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 02/09/2026). The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

The exploit is shared for download at github.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at EUVD (EUVD-2026-5792) and CERT Bund (WID-SEC-2026-0340). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Affected

D-LINK Router

Productinfo

Type

Router Operating System

Vendor

D-Link

Name

DIR-823X

Version

250416

License

commercial

Website

Vendor: https://www.dlink.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 7.2
VulDB Meta Temp Score: 6.8

VulDB Base Score: 7.2
VulDB Temp Score: 6.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.2
CNA Vector: 🔒

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Os command injection
CWE: CWE-78 / CWE-77 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

02/07/2026 Advisory disclosed
02/07/2026 +0 days VulDB entry created
02/09/2026 +2 days VulDB entry last update

Sourcesinfo

Vendor: dlink.com

Advisory: github.com
Status: Not defined

CVE: CVE-2026-2157 (🔒)
GCVE (CVE): GCVE-0-2026-2157
GCVE (VulDB): GCVE-100-344859
EUVD: 🔒
CERT Bund: WID-SEC-2026-0340 - D-LINK DIR-823X und DWR-M921 Router: Mehrere Schwachstellen ermöglichen Ausführen von beliebigem Programmcode mit Administratorrechten

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 02/07/2026 09:34
Updated: 02/09/2026 15:47
Changes: 02/07/2026 09:34 (57), 02/08/2026 16:22 (31), 02/09/2026 04:04 (1), 02/09/2026 15:47 (7)
Complete: 🔍
Submitter: jiefengliang
Cache ID: 216::103

Submitinfo

Accepted

Submit #748376: D-Link DIR-823X 250416 OS Command Injection (by jiefengliang)

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.