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Dir 816L Firmware CVE-2025-9727

LOW
Command Injection (CWE-77)
2025-08-31 cna@vuldb.com
2.1
CVSS 4.0 · Vendor: vuldb
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Command injection prevention
MITRE ATT&CK

1 technique across 1 tactic: Execution

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 5.3 (MEDIUM). Attack characteristics: network attack vector, low complexity, low privileges required, no user interaction not required. Public proof-of-concept exploit code is available. EPSS exploitation probability: 0.09%.

Exploit ScenarioDerived

A remote attacker could inject arbitrary commands into system command execution by sending crafted requests to the affected application.

Monitor Track and reassess. Why: LOW severity (CVSS 0.1-3.9).
No patch listed yet 0.1% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 28, 2026

A weakness has been identified in D-Link DIR-816L 206b01. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use parameterized APIs, avoid shell execution, validate input with strict allowlists.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as Command Injection (CWE-77), which allows attackers to inject arbitrary commands into system command execution. A weakness has been identified in D-Link DIR-816L 206b01. Affected by this issue is the function soapcgi_main of the file /soap.cgi. This manipulation of the argument service causes os command injection. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be exploited. This vulnerability only affects products that are no longer supported by the maintainer. Affected products include: Dlink Dir-816L Firmware.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (vuldb) PRIMARY 2.1 LOW
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

Primary rating from Vendor (vuldb) · only source for this CVE.

CVSS VectorVendor: vuldb

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Vulnerable system: Confidentiality
Low
Vulnerable system: Integrity
Low
Vulnerable system: Availability
Low
Subsequent system: Confidentiality
None
Subsequent system: Integrity
None
Subsequent system: Availability
None

Lifecycle Timeline

4
Severity Changed
Apr 29, 2026 - 01:11 NVD
MEDIUM LOW
CVSS changed
Apr 29, 2026 - 01:11 NVD
5.3 (MEDIUM) 2.1 (LOW)
PoC Detected
Oct 01, 2025 - 20:42 vuln.today
Public exploit code
CVE Published
Aug 31, 2025 - 12:15 nvd
MEDIUM 5.3

DescriptionCVE.org

A weakness has been identified in D-Link DIR-816L 206b01. Affected by this issue is the function soapcgi_main of the file /soap.cgi. This manipulation of the argument service causes os command injection. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be exploited. This vulnerability only affects products that are no longer supported by the maintainer.

Executive ViewAI

Why It Matters

Organizations using A weakness should be aware of moderate risk from CVE-2025-9727, a command injection vulnerability rated CVSS 5.3. Exploitation could allow attackers to execute code or inject malicious input. Proof-of-concept code is publicly available. Organizations should apply vendor updates when available and monitor for exploitation.

Business Impact: Low
Compensating Controls

Apply vendor patch. If patching is delayed: deploy WAF rules, restrict network access, enable logging.

Threat Intelligence Overview

EPSS Score
0.1%
Top 74% exploitable
Exploit
POC
Public exploit code exists
Data Quality
5 sources
Confidence: Medium

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity LOW
CISA KEV No
Public POC Yes
EPSS 0.1%
Patch available No
Active threat No
Deciding rule
LOW severity (CVSS 0.1-3.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
Poc
System Exposure· derived
Open
Automatable· derived
No
Human Impact
Low

Priority Score

30
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +10
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

OS command injection occurs when an application passes unsanitized user input directly into system shell commands.

Affected Products (CPE)CVE.org

cpe:2.3:o:dlink:dir-816l_firmware:2.06b01:*:*:*:*:*:*:*
CVE-2020-15893 CRITICAL POC
9.8 Jul 22

An issue was discovered on D-Link DIR-816L devices 2.x before 1.10b04Beta02. Rated critical severity (CVSS 9.8), this vu

CVE-2022-28956 CRITICAL POC
9.8 May 18

An issue in the getcfg.php component of D-Link DIR816L_FW206b01 allows attackers to access the device via a crafted payl

CVE-2015-5999 MEDIUM POC
6.8 Nov 18

Multiple cross-site request forgery (CSRF) vulnerabilities in the D-Link DIR-816L Wireless Router with firmware before 2

CVE-2025-13188 HIGH POC
8.9 Nov 14

A vulnerability was detected in D-Link DIR-816L 2_06_b09_beta. Rated high severity (CVSS 8.9), this vulnerability is rem

CVE-2022-28955 HIGH POC
7.5 May 18

An access control issue in D-Link DIR816L_FW206b01 allows unauthenticated attackers to access folders folder_view.php an

CVE-2019-7642 HIGH POC
7.5 Mar 25

D-Link routers with the mydlink feature have some web interfaces without authentication requirements. Rated high severit

CVE-2025-13191 HIGH POC
7.4 Nov 15

A vulnerability was determined in D-Link DIR-816L 2_06_b09_beta.cgi. Rated high severity (CVSS 7.4), this vulnerability

CVE-2025-13189 HIGH POC
7.4 Nov 15

A vulnerability has been found in D-Link DIR-816L 2_06_b09_beta. Rated high severity (CVSS 7.4), this vulnerability is r

CVE-2025-13190 HIGH POC
7.4 Nov 15

A vulnerability was found in D-Link DIR-816L 2_06_b09_beta. Rated high severity (CVSS 7.4), this vulnerability is remote

CVE-2020-25786 MEDIUM POC
6.1 Sep 19

webinc/js/info.php on D-Link DIR-816L 2.06.B09_BETA and DIR-803 1.04.B02 devices allows XSS via the HTTP Referer header.

CVE-2020-15895 MEDIUM POC
6.1 Jul 22

An XSS issue was discovered on D-Link DIR-816L devices 2.x before 1.10b04Beta02. Rated medium severity (CVSS 6.1), this

CVE-2020-15894 HIGH
7.5 Jul 22

An issue was discovered on D-Link DIR-816L devices 2.x before 1.10b04Beta02. Rated high severity (CVSS 7.5), this vulner

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