Cyber Resilience

CVE-2023-27216

RCE in Dlink Dsl-3782 Firmware 1.03

RCECommand Injection
Published
12 April 2023
Modified
09 July 2026
Patch / advisory
View advisory
CVSS Score v3.1 8.8
Click a component to see what it means
Raw vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.030 86th percentile
Risk Priority 81 floored blend · peak EPSS

Summary

CVE-2023-27216 is a high-severity OS Command Injection (CWE-78) vulnerability in Dlink Dsl-3782 Firmware. Its CVSS base score is 8.8 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Command and Scripting Interpreter (T1059); ranked in the top 14% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

Deeper analysis AI-assisted summary

Synthesised by an AI model from the NVD description and linked references — a reading aid, not an authoritative source.

The vulnerability CVE-2023-27216 is an OS command injection issue (CWE-78) present in the D-Link DSL-3782 router running firmware version 1.03. It resides in the network settings page and received a CVSS 3.1 base score of 8.8.

Remote authenticated users can exploit the flaw over the network without user interaction to execute arbitrary code as root, resulting in full compromise of device confidentiality, integrity, and availability.

D-Link references a security bulletin on its site for this issue, while independent analysis is available at lessonsec.com. The associated EPSS score reached a peak of 0.3621 and currently stands at 0.2776.

OWASP Top 10 for Web (2025)

A05:2025 Injection

EU & UK References

Vulnerability Data

An issue found in D-Link DSL-3782 v.1.03 allows remote authenticated users to execute arbitrary code as root via the network settings page.

CWE(s)
CWE-78

Related Threats

MITRE ATT&CK Enterprise Techniques

T1059 Command and Scripting Interpreter Execution
Adversaries may abuse command and script interpreters to execute commands, scripts, or binaries.
attack.mitre.org →
T1059.003 Windows Command Shell Execution
Adversaries may abuse the Windows command shell for execution.
attack.mitre.org →
T1059.004 Unix Shell Execution
Adversaries may abuse Unix shell commands and scripts for execution.
attack.mitre.org →
T1059.001 PowerShell Execution
Adversaries may abuse PowerShell commands and scripts for execution.
attack.mitre.org →
T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
attack.mitre.org →
Derived from this CVE’s CWE(s) via the direct CWE→ATT&CK cross-walk.

CVEs Like This One

CVE-2025-25894Same product: Dlink Dsl-3782
CVE-2025-25893Same product: Dlink Dsl-3782
CVE-2025-25895Same product: Dlink Dsl-3782
CVE-2023-44959Same product: Dlink Dsl-3782
CVE-2023-51625Same vendor: Dlink
CVE-2023-34278Same vendor: Dlink
CVE-2023-32151Same vendor: Dlink
CVE-2019-17621Same vendor: Dlink
CVE-2023-50200Same vendor: Dlink
CVE-2024-4965Same vendor: Dlink

Affected Assets

dlink
dsl-3782 firmware
1.03

Mitigating Controls

Control response

Prevent
Stop it (NIST 800-53)

—

Detect
Catch it (NIST detect / respond)

—

Harden
Shrink the surface (DISA STIG)

—

Validate
Prove the fix (OWASP ASVS)
  • V1.2.5
  • V1.2.8
  • V15.2.5

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

SC-27 Platform-independent Applications
addresses: CWE-78

Platform-independent apps typically execute inside a managed runtime or sandbox that restricts direct OS command execution, reducing the ability to exploit OS command injection.

SI-10 Information Input Validation
addresses: CWE-78

Validates inputs to block special elements that would alter OS command execution.

Mitigating Controls (NIST CSF 2.0) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.

PR.PS-06 mostly match
prevents

PR.PS-06's SDLC practices directly require secure coding and input handling that blocks command-injection defects, yet the single broad outcome leaves many specific neutralization vectors and verification gaps unaddressed.

PR.PS-02 partial match
prevents

Routine patching/maintenance can remediate known command-injection CVEs in dependencies (partial forward) but does nothing to stop developers from introducing improper neutralization in custom code (none reverse).

Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.

A.8.29 Security testing in development and acceptance mostly match
finds

Security testing and code review target insecure use of operating-system command interfaces, catching command-injection flaws introduced during development.

References