D-Link DIR-823G 1.02B05 SetParentsControlInfo Hostname 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, which was classified as critical, has been found in D-Link DIR-823G 1.02B05. Affected by this issue is the function SetParentsControlInfo. Performing a manipulation of the argument Hostname results in buffer overflow. This vulnerability is known as CVE-2023-26612. No exploit is available.

Detailsinfo

A vulnerability classified as critical has been found in D-Link DIR-823G 1.02B05 (Router Operating System). This affects the function SetParentsControlInfo. The manipulation of the argument HostName 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 summary by CVE is:

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

The weakness was published 06/29/2023. It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2023-26612 since 02/27/2023. 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 11/10/2025).

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-2023-30407). 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: 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

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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

02/27/2023 🔍
06/29/2023 +121 days 🔍
06/29/2023 +0 days 🔍
11/10/2025 +865 days 🔍

Sourcesinfo

Vendor: dlink.com

Advisory: github.com
Status: Not defined

CVE: CVE-2023-26612 (🔍)
GCVE (CVE): GCVE-0-2023-26612
GCVE (VulDB): GCVE-100-232695
EUVD: 🔍

Entryinfo

Created: 06/29/2023 20:10
Updated: 11/10/2025 06:14
Changes: 06/29/2023 20:10 (40), 07/21/2023 14:05 (11), 11/10/2025 06:14 (16)
Complete: 🔍
Cache ID: 216::103

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

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