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Dir 816L Firmware CVE-2015-5999

MEDIUM
Cross-Site Request Forgery (CSRF) (CWE-352)
2015-11-18 cret@cert.org
6.8
CVSS 2.0 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V3 - Web Frontend Security Anti-CSRF tokens, SameSite cookies
MITRE ATT&CK

1 technique across 1 tactic: Initial Access

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

Impact

CVSS score of 6.8 (MEDIUM). Attack characteristics: network attack vector, M complexity. Public proof-of-concept exploit code is available. EPSS exploitation probability: 14.38%.

Exploit ScenarioDerived

A remote attacker could trick authenticated users into performing unintended actions by sending crafted requests to the affected application.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 14.4% exploitation probability (EPSS)

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AnalysisAI

Multiple cross-site request forgery (CSRF) vulnerabilities in the D-Link DIR-816L Wireless Router with firmware before 2.06.B09_BETA allow remote attackers to hijack the authentication of. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable. Public exploit code available and EPSS exploitation probability 14.4%.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement anti-CSRF tokens, validate Origin/Referer headers, use SameSite cookie attribute.

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 Cross-Site Request Forgery (CSRF) (CWE-352), which allows attackers to trick authenticated users into performing unintended actions. Multiple cross-site request forgery (CSRF) vulnerabilities in the D-Link DIR-816L Wireless Router with firmware before 2.06.B09_BETA allow remote attackers to hijack the authentication of administrators for requests that (1) change the admin password, (2) change the network policy, or (3) possibly have other unspecified impact via crafted requests to hedwig.cgi and pigwidgeon.cgi. Affected products include: Dlink Dir-816L Firmware. Version information: before 2.06..

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 6.8 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
M
Confidentiality
P
Integrity
P
Availability
P

DescriptionCVE.org

Multiple cross-site request forgery (CSRF) vulnerabilities in the D-Link DIR-816L Wireless Router with firmware before 2.06.B09_BETA allow remote attackers to hijack the authentication of administrators for requests that (1) change the admin password, (2) change the network policy, or (3) possibly have other unspecified impact via crafted requests to hedwig.cgi and pigwidgeon.cgi.

Threat Intelligence Overview

EPSS Score
14.4%
Top 6% exploitable
Exploit
POC
Public exploit code exists
Data Quality
4 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 MEDIUM
CISA KEV No
Public POC Yes
EPSS 14.4%
Patch available No
Active threat Yes
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
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· derived
Medium

Priority Score

68
Low Medium High Critical
KEV: 0
EPSS: +14
CVSS: +34
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Cross-Site Request Forgery exploits the automatic credential inclusion behavior of web browsers.

Affected Products (CPE)CVE.org

cpe:2.3:o:dlink:dir-816l_firmware:*:*:*:*:*:*:*:*
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-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

CVE-2025-7836 LOW POC
2.1 Jul 19

Command injection in D-Link DIR-816L firmware up to version 2.06B01 allows authenticated remote attackers to execute arb

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