Cyber Resilience

CVE-2026-8344

LowPublic PoC

Published: 11 May 2026

Published
11 May 2026
Modified
12 May 2026
KEV Added
—
Patch
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CVSS Score v4 2.1 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS Score 0.0316 86.4th percentile
Risk Priority 35 floored blend · peak EPSS

Summary

CVE-2026-8344 is a low-severity Injection (CWE-74) vulnerability in Dlink Dir-816 Firmware. Its CVSS base score is 2.1 (Low).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked in the top 13.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

OWASP Top 10 for Web (2025)

A05:2025 Injection

EU & UK References

Vulnerability details

A weakness has been identified in D-Link DIR-816 1.10CNB05_R1B011D88210. Affected by this vulnerability is the function sub_445E7C of the file /goform/formDMZ.cgi. This manipulation causes command injection. It is possible to initiate the attack remotely. The exploit has been made available…

more

to the public and could be used for attacks.

CWE(s)
CWE-74CWE-77

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

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 →
T1059 Command and Scripting Interpreter Execution
Adversaries may abuse command and script interpreters to execute commands, scripts, or binaries.
attack.mitre.org →
Why these techniques?

Remote command injection in public-facing web form directly enables T1190 exploitation and T1059 command execution on the device.

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0

CVEs Like This One

CVE-2026-8346Same product: Dlink Dir-816
CVE-2026-8345Same product: Dlink Dir-816
CVE-2026-4180Same product: Dlink Dir-816
CVE-2024-57684Same product: Dlink Dir-816
CVE-2026-4184Same product: Dlink Dir-816
CVE-2026-4182Same product: Dlink Dir-816
CVE-2026-4181Same product: Dlink Dir-816
CVE-2026-4183Same product: Dlink Dir-816
CVE-2025-60679Same product: Dlink Dir-816
CVE-2026-1624Same vendor: Dlink

Affected Assets

dlink
dir-816 firmware
1.10cnb05_r1b011d88210

Mitigating Controls

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.

SA-11 Developer Testing and Evaluation
addresses: CWE-74

Developer assessments and testing (including injection-focused techniques) identify improper neutralization of special elements, and the verifiable flaw remediation corrects them pre-deployment.

SI-4 System Monitoring
addresses: CWE-74

Identifies indicators of injection attacks (command, SQL, LDAP, etc.) via anomaly and attack monitoring.

References