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Vulnerability record · CVE-2025-45729 · published 27 June 2025

CVE-2025-45729: Dlink dir-823 pro firmware improper access control vulnerability

Dlink · Dir 823 Pro Firmware

D-Link DIR-823-Pro 1.02 has improper permission control, allowing unauthorized users to turn on and access Telnet services.

6.3 CVSS 3.1 Medium EPSS 0.37% · top 72.1% CWE-284 · Improper access control
6.3CVSS 3.1 base score
0.37%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 1 tagged exploit
1 Jul 2026Last modified by NVD

Description

D-Link DIR-823-Pro 1.02 has improper permission control, allowing unauthorized users to turn on and access Telnet services.

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

Affected products

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

References

LinkTags
https://www.kdev.site/2025/04/02/d-link-823_pro-unauthorized-telnet-access/ ExploitThird Party Advisory
https://www.kdev.site/cve-2025-45729/

Track CVE-2025-45729 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-2022-28573Dlink dir-823 pro firmware os command injection vulnerabilityD-Link DIR-823-Pro v1.0.2 was discovered to contain a command injection vulnerability in the function SetNTPserverSeting. This vulnerability allows a…EPSS 28%9.8CVE-2021-46452Dlink dir-823 pro firmware command injection vulnerabilityD-Link device D-Link DIR-823-Pro v1.0.2 was discovered to contain a command injection vulnerability in the function SetNetworkTomographySettings. Thi…EPSS 3.7%9.8CVE-2021-46453Dlink dir-823 pro firmware command injection vulnerabilityD-Link device D-Link DIR-823-Pro v1.0.2 was discovered to contain a command injection vulnerability in the function SetStaticRouteSettings. This vuln…EPSS 3.7%9.8CVE-2021-46454Dlink dir-823 pro firmware command injection vulnerabilityD-Link device D-Link DIR-823-Pro v1.0.2 was discovered to contain a command injection vulnerability in the function SetWLanApcliSettings. This vulner…EPSS 4.4%9.8CVE-2021-46455Dlink dir-823 pro firmware command injection vulnerabilityD-Link device D-Link DIR-823-Pro v1.0.2 was discovered to contain a command injection vulnerability in the function SetStationSettings. This vulnerab…EPSS 3.7%9.8CVE-2021-46456Dlink dir-823 pro firmware command injection vulnerabilityD-Link device D-Link DIR-823-Pro v1.0.2 was discovered to contain a command injection vulnerability in the function SetWLanACLSettings. This vulnerab…EPSS 3.7%9.8CVE-2021-46457Dlink dir-823 pro firmware command injection vulnerabilityD-Link device D-Link DIR-823-Pro v1.0.2 was discovered to contain a command injection vulnerability in the function ChgSambaUserSettings. This vulner…EPSS 3.7%7.8CVE-2026-81963Windows Update Stack link-following privilege escalationWindows Update Stack resolves links improperly before accessing files, a link-following flaw (CWE-59) compounded by improper access control (CWE-284)…KEVEPSS 0.39%analysed

Source: NIST National Vulnerability Database (record CVE-2025-45729), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.