D-Link DIR-816 A2 1.10CNB0 setMAC macCloneMac stack-based overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.0$5k-$25k0.00

Summaryinfo

A vulnerability was found in D-Link DIR-816 A2 1.10CNB0. It has been rated as critical. Impacted is the function setMAC. Performing a manipulation of the argument macCloneMac results in stack-based overflow. This vulnerability is known as CVE-2023-43237. No exploit is available.

Detailsinfo

A vulnerability was found in D-Link DIR-816 A2 1.10CNB0 (Router Operating System). It has been classified as critical. This affects the function setMAC. The manipulation of the argument macCloneMac with an unknown input leads to a stack-based overflow vulnerability. CWE is classifying the issue as CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

D-Link DIR-816 A2 v1.10CNB05 was discovered to contain a stack overflow via parameter macCloneMac in setMAC.

The weakness was published 09/21/2023. It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2023-43237 since 09/18/2023. 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 02/04/2026).

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-2023-47656). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 8.0

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

NVD Base Score: 9.8
NVD Vector: 🔍

CNA Base Score: 8.8
CNA Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / 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

09/18/2023 🔍
09/21/2023 +3 days 🔍
09/21/2023 +0 days 🔍
02/04/2026 +867 days 🔍

Sourcesinfo

Vendor: dlink.com

Advisory: github.com
Status: Not defined

CVE: CVE-2023-43237 (🔍)
GCVE (CVE): GCVE-0-2023-43237
GCVE (VulDB): GCVE-100-240135
EUVD: 🔍

Entryinfo

Created: 09/21/2023 17:03
Updated: 02/04/2026 11:55
Changes: 09/21/2023 17:03 (40), 10/14/2023 09:27 (11), 09/25/2024 05:43 (27), 02/04/2026 11:55 (1)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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