D-Link DIR-823G 1.0.2B05 SetWanSettings Password buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.8$5k-$25k0.00

Summaryinfo

A vulnerability was found in D-Link DIR-823G 1.0.2B05. It has been rated as critical. Affected by this vulnerability is the function SetWanSettings. Performing a manipulation of the argument Password results in buffer overflow. This vulnerability is known as CVE-2023-44837. No exploit is available.

Detailsinfo

A vulnerability was found in D-Link DIR-823G 1.0.2B05 (Router Operating System). It has been classified as critical. This affects the function SetWanSettings. The manipulation of the argument Password with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. This is going to have an impact on availability. The summary by CVE is:

D-Link DIR-823G A1V1.0.2B05 was discovered to contain a buffer overflow via the Password parameter in the SetWanSettings function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.

The weakness was published 10/05/2023. It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2023-44837 since 10/02/2023. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 02/09/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-49160). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Vendor

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.8

VulDB Base Score: 5.7
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 7.5
CNA Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/02/2023 🔍
10/05/2023 +3 days 🔍
10/05/2023 +0 days 🔍
02/09/2026 +858 days 🔍

Sourcesinfo

Vendor: dlink.com

Advisory: github.com
Status: Not defined

CVE: CVE-2023-44837 (🔍)
GCVE (CVE): GCVE-0-2023-44837
GCVE (VulDB): GCVE-100-241395
EUVD: 🔍

Entryinfo

Created: 10/05/2023 22:39
Updated: 02/09/2026 13:28
Changes: 10/05/2023 22:39 (40), 09/19/2024 22:21 (36), 02/09/2026 13:28 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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