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Vulnerability record · CVE-2023-26612 · published 29 June 2023

CVE-2023-26612: Dlink dir-823g firmware classic buffer overflow vulnerability

Dlink · Dir 823g Firmware

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

9.8 CVSS 3.1 Critical EPSS 1.3% · top 30.6% CWE-120 · Classic buffer overflow
9.8CVSS 3.1 base score
1.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

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

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/726232111/VulIoT/tree/main/D-Link/DIR823G%20V1.0.2B05/HNAP1/SetParentsControlInfo ExploitThird Party Advisory
https://www.dlink.com/en/security-bulletin/ Vendor Advisory
https://github.com/726232111/VulIoT/tree/main/D-Link/DIR823G%20V1.0.2B05/HNAP1/SetParentsControlInfo ExploitThird Party Advisory
https://www.dlink.com/en/security-bulletin/ Vendor Advisory

Track CVE-2023-26612 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2023-43241Dlink dir-823g firmware out-of-bounds write vulnerabilityD-Link DIR-823G v1.0.2B05 was discovered to contain a stack overflow via parameter TXPower and GuardInt in SetWLanRadioSecurity.EPSS 1.3%9.8CVE-2023-43235Dlink dir-823g firmware out-of-bounds write vulnerabilityD-Link DIR-823G v1.0.2B05 was discovered to contain a stack overflow via parameter StartTime and EndTime in SetWifiDownSettings.EPSS 1.3%9.8CVE-2023-26613Dlink dir-823g firmware os command injection vulnerabilityAn OS command injection vulnerability in D-Link DIR-823G firmware version 1.02B05 allows unauthorized attackers to execute arbitrary operating system…EPSS 31%9.8CVE-2023-26616Dlink dir-823g firmware classic buffer overflow vulnerabilityD-Link DIR-823G firmware version 1.02B05 has a buffer overflow vulnerability, which originates from the URL field in SetParentsControlInfo.EPSS 1.3%9.8CVE-2023-29665Dlink dir-823g firmware out-of-bounds write vulnerabilityD-Link DIR823G_V1.0.2B05 was discovered to contain a stack overflow via the NewPassword parameters in SetPasswdSettings.EPSS 1.2%9.8CVE-2022-44808Dlink dir-823g firmware os command injection vulnerabilityA command injection vulnerability has been found on D-Link DIR-823G devices with firmware version 1.02B03 that allows an attacker to execute arbitrar…EPSS 3.8%9.8CVE-2022-44201Dlink dir-823g firmware os command injection vulnerabilityD-Link DIR823G 1.02B05 is vulnerable to Commad Injection.EPSS 1.3%9.8CVE-2022-43109Dlink dir-823g firmware command injection vulnerabilityD-Link DIR-823G v1.0.2 was found to contain a command injection vulnerability in the function SetNetworkTomographySettings. This vulnerability allows…EPSS 3.7%

Source: NIST National Vulnerability Database (record CVE-2023-26612), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.