Cyber Resilience

CVE-2024-57684

Dlink Dir-816 Firmware 1.10cnb05_r1b011d88210

Published
16 January 2025
Modified
02 May 2025
Patch / advisory
View advisory
CVSS Score v3.1 9.8
Click a component to see what it means
Raw vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.14 96th percentile
Risk Priority 82 floored blend · peak EPSS

Summary

CVE-2024-57684 is a critical-severity Incorrect Default Permissions (CWE-276) vulnerability in Dlink Dir-816 Firmware. Its CVSS base score is 9.8 (Critical).

Operationally, exploitation aligns with the MITRE ATT&CK technique Services File Permissions Weakness (T1574.010); ranked in the top 4% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

The strongest mitigations our analysis identified map to AC-3 (Access Enforcement) and AC-6 (Least Privilege) — see the control section below for these in your framework.

Deeper analysis AI-assisted summary

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

An access control vulnerability exists in the formDMZ.cgi component of D-Link DIR-816 firmware version 816A2_FWv1.10CNB05_R1B011D88210. The flaw, tracked as CVE-2024-57684 and assigned CWE-276, permits unauthenticated remote attackers to configure the device's DMZ service through a specially crafted POST request, carrying a CVSS 3.1 score of 9.8.

Remote attackers with no credentials or user interaction can exploit the issue over the network to enable DMZ functionality, exposing internal hosts and achieving full impact on confidentiality, integrity, and availability of the affected router.

D-Link's security bulletin page provides the vendor advisory reference, while a public technical description including a proof-of-concept request is available on GitHub. The associated EPSS score remains low, with a modest peak of 0.0518 that has since receded to 0.0403.

OWASP Top 10 for Web (2025)

A01:2025 Broken Access Control

EU & UK References

Vulnerability Data

An access control issue in the component formDMZ.cgi of D-Link 816A2_FWv1.10CNB05_R1B011D88210 allows unauthenticated attackers to set the DMZ service of the device via a crafted POST request.

CWE(s)
CWE-276

Related Threats

MITRE ATT&CK Enterprise Techniques

T1574.010 Services File Permissions Weakness Stealth
Adversaries may execute their own malicious payloads by hijacking the binaries used by services.
attack.mitre.org →
T1543 Create or Modify System Process Persistence
Adversaries may create or modify system-level processes to repeatedly execute malicious payloads as part of persistence.
attack.mitre.org →
T1554 Compromise Host Software Binary Persistence
Adversaries may modify host software binaries to establish persistent access to systems.
attack.mitre.org →
T1574 Hijack Execution Flow Stealth
Adversaries may execute their own malicious payloads by hijacking the way operating systems run programs.
attack.mitre.org →
Derived from this CVE’s CWE(s) via the direct CWE→ATT&CK cross-walk.

CVEs Like This One

CVE-2024-13105Same product: Dlink Dir-816
CVE-2024-13103Same product: Dlink Dir-816
CVE-2024-13102Same product: Dlink Dir-816
CVE-2024-13104Same product: Dlink Dir-816
CVE-2024-13108Same product: Dlink Dir-816
CVE-2024-13106Same product: Dlink Dir-816
CVE-2026-4180Same product: Dlink Dir-816
CVE-2024-13107Same product: Dlink Dir-816
CVE-2026-4183Same product: Dlink Dir-816
CVE-2024-57678Same product: Dlink Dir-816

Affected Assets

dlink
dir-816 firmware
1.10cnb05_r1b011d88210

Mitigating Controls

Control response

Prevent
Stop it (NIST 800-53)

—

Detect
Catch it (NIST detect / respond)

—

Harden
Shrink the surface (DISA STIG)
  • 11 hardening rules · 3 OS baselines
Validate
Prove the fix (OWASP ASVS)

—

Mitigating Controls (NIST 800-53 r5) AI

AC-3 Access Enforcement good match

Enforces approved authorizations on files and resources so overly permissive defaults cannot be exploited.

AC-6 Least Privilege good match

Requires least-privilege defaults so that installed files are not world-writable by default.

CM-6 Configuration Settings good match

Requires documented, restrictive configuration settings that cover file and directory permissions.

CM-5 Access Restrictions for Change partial match

Enforces access restrictions on changes, including permission settings applied during installation or configuration.

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-01 full match
prevents

Hardened baselines and configuration management explicitly require correct default file permissions.

PR.AA-05 mostly match
prevents

Defining and enforcing least-privilege access permissions directly prevents overly permissive defaults at install time.

ID.AM-08 partial match
prevents

Lifecycle management can encompass permission settings, yet the control is too broad to specifically mitigate incorrect defaults.

PR.PS-06 partial match
prevents

Secure SDLC practices include establishing secure defaults, but address only the development-phase portion of the weakness.

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.8.9 Configuration management mostly match
prevents

Standard templates that restrict access to utility programs and host parameter settings prevent the assignment of overly permissive default permissions on critical resources.

Hardening callouts derived

Configuration rules from DISA STIG baselines that bear on weaknesses of the type cited by this CVE. Each rule is shown with the relationship its mapping actually records, against the CWE it was authored against. Derived via CVE→CWE over `controls_xwalks` (authoritative rows only; rows rated `none` are excluded).

Windows Server 2016 (2 rules)
  • V-224833 Permissions for program file directories must conform to minimum requirements. prevents CWE-276
  • V-224834 Permissions for the Windows installation directory must conform to minimum requirements. prevents CWE-276
Windows Server 2019 (2 rules)
  • V-205735 Windows Server 2019 permissions for program file directories must conform to minimum requirements. prevents CWE-276
  • V-205736 Windows Server 2019 permissions for the Windows installation directory must conform to minimum requirements. prevents CWE-276
Windows Server 2022 (2 rules)
  • V-254252 Windows Server 2022 permissions for program file directories must conform to minimum requirements. prevents CWE-276
  • V-254253 Windows Server 2022 permissions for the Windows installation directory must conform to minimum requirements. prevents CWE-276

References