D-Link DIR-619L B1 2.02 formSetWAN_Wizard56 buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.5$5k-$25k0.00

Summaryinfo

A vulnerability was found in D-Link DIR-619L B1 2.02. It has been rated as critical. The affected element is the function formSetWAN_Wizard56. Performing a manipulation results in buffer overflow. This vulnerability is reported as CVE-2023-43869. No exploit exists.

Detailsinfo

A vulnerability, which was classified as critical, was found in D-Link DIR-619L B1 2.02 (Router Operating System). This affects the function formSetWAN_Wizard56. The manipulation 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 confidentiality, integrity, and availability.

The weakness was disclosed 09/28/2023. It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2023-43869 since 09/25/2023. 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 02/07/2026).

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-2023-48232). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Vendor

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Version

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.6

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD 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

09/25/2023 🔍
09/28/2023 +3 days 🔍
09/28/2023 +0 days 🔍
02/07/2026 +863 days 🔍

Sourcesinfo

Vendor: dlink.com

Advisory: github.com
Status: Not defined

CVE: CVE-2023-43869 (🔍)
GCVE (CVE): GCVE-0-2023-43869
GCVE (VulDB): GCVE-100-240807
EUVD: 🔍

Entryinfo

Created: 09/28/2023 17:13
Updated: 02/07/2026 23:21
Changes: 09/28/2023 17:13 (38), 10/21/2023 14:50 (11), 02/07/2026 23:21 (16)
Complete: 🔍
Cache ID: 216::103

Submitinfo

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