What is the CVSS score of CVE-2024-27661?

CVE-2024-27661 has a CVSS 3.1 base score of 6.5 (Medium). CVSS vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.4%.

Is there a public PoC exploit available for CVE-2024-27661?

Yes, a public proof-of-concept exploit is available for CVE-2024-27661. Prioritise patching immediately. EPSS: 0.4%.

Dir 823G Firmware CVE-2024-27661

MEDIUM

Use of NullPointerException Catch to Detect NULL Pointer Dereference (CWE-395)

2024-02-29 cve@mitre.org

Denial Of Service D-Link Dir 823G Firmware

6.5

CVSS 3.1 · NVD

View

Vulnerability Assessment

Weakness	CWE CWE-395 ASVS 5.0 V16 - Security Logging and Error Handling NullPointerException catch
Impact	CVSS score of 6.5 (MEDIUM). Attack characteristics: adjacent network attack vector, low complexity, no privileges required, no user interaction not required. Public proof-of-concept exploit code is available.
Exploit ScenarioDerived	Successful exploitation could compromise the medium-severity affected system.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).

No patch listed yet 0.4% exploitation probability (EPSS)

Get an e-mail when this CVE is exploited, patched or re-scored. Free account.

Alert me

AnalysisAI

D-Link DIR-823G A1V1.0.2B05 was discovered to contain Null-pointer dereferences in sub_4484A8(). Rated medium severity (CVSS 6.5), this vulnerability is no authentication required, 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. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

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 under CWE-395. D-Link DIR-823G A1V1.0.2B05 was discovered to contain Null-pointer dereferences in sub_4484A8(). This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input. Affected products include: Dlink Dir-823G Firmware.

Know when Dir 823G Firmware gets its next vulnerability

Watch products and get an email when something new is published
Check this CVE against your own stack and servers
Exploit and PoC references, threat intelligence from 22 sources

Continue with Google Continue with GitHub

No credit card · 7-day full trial

Severity by source

NVD PRIMARY 6.5 MEDIUM

AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

DescriptionNVD

D-Link DIR-823G A1V1.0.2B05 was discovered to contain Null-pointer dereferences in sub_4484A8(). This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.

Threat Intelligence Overview

EPSS Score

0.4%

Top 65% exploitable

Exploit

POC

Public exploit code exists

Data Quality

2 sources

Confidence: Low

NVD

CVE.org

EPSS

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 0.4%

Patch available No

Active threat No

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

Controlled

Automatable· derived

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +32

PoC: +20

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Denial of Service MEDIUM

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.

Affected Products (CPE)NVD

cpe:2.3:o:dlink:dir-823g_firmware:1.0.2b05:*:*:*:*:*:*:*

More in Dir 823G Firmware

View all

CVE-2020-25368 CRITICAL Emergency POC

9.8 Nov 04

A command injection vulnerability was discovered in the HNAP1 protocol in D-Link DIR-823G devices with firmware V1.0.2B0

CVE-2020-25367 CRITICAL Emergency POC

9.8 Nov 04

A command injection vulnerability was discovered in the HNAP1 protocol in D-Link DIR-823G devices with firmware V1.0.2B0

CVE-2023-43241 CRITICAL Act Now POC

9.8 Sep 21

D-Link DIR-823G v1.0.2B05 was discovered to contain a stack overflow via parameter TXPower and GuardInt in SetWLanRadioS

CVE-2023-43235 CRITICAL Act Now POC

9.8 Sep 21

D-Link DIR-823G v1.0.2B05 was discovered to contain a stack overflow via parameter StartTime and EndTime in SetWifiDownS

CVE-2023-26616 CRITICAL Act Now POC

9.8 Jun 29

D-Link DIR-823G firmware version 1.02B05 has a buffer overflow vulnerability, which originates from the URL field in Set

CVE-2023-26613 CRITICAL Act Now POC

9.8 Jun 29

An OS command injection vulnerability in D-Link DIR-823G firmware version 1.02B05 allows unauthorized attackers to execu

CVE-2023-26612 CRITICAL Act Now POC

9.8 Jun 29

D-Link DIR-823G firmware version 1.02B05 has a buffer overflow vulnerability, which originates from the HostName field i

CVE-2023-29665 CRITICAL Act Now POC

9.8 Apr 17

D-Link DIR823G_V1.0.2B05 was discovered to contain a stack overflow via the NewPassword parameters in SetPasswdSettings.

CVE-2022-44808 CRITICAL Act Now POC

9.8 Nov 22

A command injection vulnerability has been found on D-Link DIR-823G devices with firmware version 1.02B03 that allows an

CVE-2022-44201 CRITICAL Act Now POC

9.8 Nov 22

D-Link DIR823G 1.02B05 is vulnerable to Commad Injection. Rated critical severity (CVSS 9.8), this vulnerability is remo

CVE-2022-43109 CRITICAL Act Now POC

9.8 Nov 03

D-Link DIR-823G v1.0.2 was found to contain a command injection vulnerability in the function SetNetworkTomographySettin

CVE-2019-7297 CRITICAL Act Now POC

9.8 Jan 31

An issue was discovered on D-Link DIR-823G devices with firmware through 1.02B03. Rated critical severity (CVSS 9.8), th

Same weakness CWE-395 – Use of NullPointerException Catch to Detect NULL Pointer Dereference

View all

CVE-2025-15514 HIGH POC

8.7

CVE-2022-2832 HIGH POC

7.5

CVE-2024-27659 MEDIUM POC

6.5

CVE-2024-27658 MEDIUM POC

6.5

CVE-2025-58142 CRITICAL

9.8

CVE-2025-27466 CRITICAL

9.8

CVE-2024-36275 MEDIUM

5.8

CVE-2023-25071 MEDIUM

5.5

Same technique Denial Of Service

View all

CVE-2015-5119 CRITICAL POC

9.8

CVE-2011-2462 CRITICAL POC

9.8

CVE-2011-0611 HIGH POC

8.8

CVE-2012-1889 HIGH POC

8.8

CVE-2012-0507 CRITICAL POC

9.8

CVE-2014-1761 HIGH POC

7.8

CVE-2015-5122 CRITICAL POC

9.8

CVE-2011-0609 HIGH POC

7.8

Search Externally

GitHub PoC

Exploit-DB PacketStorm Snyk Rapid7 Nuclei Templates Trickest PoC

Back