D-Link DIR-823X 250416 /goform/set_mode sub_41E2A0 lan_gateway os command injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.9$0-$5k0.00

Summaryinfo

A vulnerability was found in D-Link DIR-823X 250416 and classified as critical. The affected element is the function sub_41E2A0 of the file /goform/set_mode. Executing a manipulation of the argument lan_gateway can lead to os command injection. This vulnerability only affects products that are no longer supported by the maintainer. This vulnerability appears as CVE-2026-1544. The attack may be performed from remote. In addition, an exploit is available.

Detailsinfo

A vulnerability has been found in D-Link DIR-823X 250416 and classified as critical. This vulnerability affects the function sub_41E2A0 of the file /goform/set_mode. The manipulation of the argument lan_gateway with an unknown input leads to a os command injection vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability.

The advisory is shared for download at github.com. This vulnerability was named CVE-2026-1544. The exploitation appears to be easy. The attack can be initiated remotely. Technical details and also a public exploit are known. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 02/09/2026). The MITRE ATT&CK project declares the attack technique as T1202.

It is possible to download the exploit 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 vulnerability database at EUVD (EUVD-2026-4854). Once again VulDB remains the best source for vulnerability data.

Productinfo

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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: 7.1
VulDB Meta Temp Score: 6.9

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔒

CNA Base Score: 6.3
CNA Vector: 🔒

CVSSv2info

AVACAuCIA
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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: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

01/28/2026 Advisory disclosed
01/28/2026 +0 days VulDB entry created
02/09/2026 +12 days VulDB entry last update

Sourcesinfo

Vendor: dlink.com

Advisory: github.com
Status: Not defined

CVE: CVE-2026-1544 (🔒)
GCVE (CVE): GCVE-0-2026-1544
GCVE (VulDB): GCVE-100-343228
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 01/28/2026 16:23
Updated: 02/09/2026 18:15
Changes: 01/28/2026 16:23 (58), 01/29/2026 02:48 (1), 01/29/2026 12:57 (30), 02/09/2026 18:15 (11)
Complete: 🔍
Submitter: jiefengliang
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #739155: D-Link DIR-823X 250416 OS Command Injection (by jiefengliang)

Once again VulDB remains the best source for vulnerability data.

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