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Vulnerability record · CVE-2025-52079 · published 21 October 2025

CVE-2025-52079: Dlink dir-820l firmware improper access control vulnerability

Dlink · Dir 820l Firmware

The administrator password setting of the D-Link DIR-820L 1.06B02 is has Improper Access Control and is vulnerable to Unverified Password Change via crafted POST request to /get_set.ccp.

8.8 CVSS 3.1 High EPSS 0.54% · top 56.8% CWE-284 · Improper access control
8.8CVSS 3.1 base score
0.54%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 1 tagged exploit
17 Jun 2026Last modified by NVD

Description

The administrator password setting of the D-Link DIR-820L 1.06B02 is has Improper Access Control and is vulnerable to Unverified Password Change via crafted POST request to /get_set.ccp.

CVSS:3.1/AV:N/AC:L/PR:L/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/namberino/cve/tree/main/CVE-2025-52079 ExploitThird Party Advisory
https://www.dlink.com/en/security-bulletin/ Vendor Advisory

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Related vulnerabilities

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

9.8CVE-2023-25280D-Link DIR-820L ping.ccp OS Command InjectionThe D-Link DIR-820L router firmware (DIR820LA1_FW105B03) fails to sanitize the ping_addr parameter passed to ping.ccp, allowing OS command injection.…KEVEPSS 98%analysed9.8CVE-2022-26258D-Link DIR-820L router OS command injection via HTTP POSTD-Link DIR-820L firmware 1.05B03 contains an OS command injection flaw reachable through an HTTP POST request to the set ccp handler, allowing remote…KEVEPSS 92%analysed9.8CVE-2021-45382D-Link DIR series routers command injection in DDNS functionAn OS command injection flaw exists in the DDNS function of the ncc2 binary on multiple D-Link DIR router models (DIR-810L, DIR-820L/LW, DIR-826L, DI…KEVEPSS 98%analysed9.8CVE-2015-1187D-Link and TRENDnet ping tool command injection allows remote code executionThe ping tool in multiple D-Link and TRENDnet router and access point firmware fails to properly authenticate or sanitize the ping_addr parameter pas…KEVEPSS 83%analysed9.8CVE-2024-48150Dlink dir-820l firmware classic buffer overflow vulnerabilityD-Link DIR-820L 1.05B03 has a stack overflow vulnerability in the sub_451208 function.EPSS 0.71%9.8CVE-2023-44808Dlink dir-820l firmware out-of-bounds write vulnerabilityD-Link DIR-820L 1.05B03 has a stack overflow vulnerability in the sub_4507CC function.EPSS 0.85%9.8CVE-2023-44809Dlink dir-820l firmware improper privilege management vulnerabilityD-Link device DIR-820L 1.05B03 is vulnerable to Insecure Permissions.EPSS 0.85%9.8CVE-2023-44807Dlink dir-820l firmware out-of-bounds write vulnerabilityD-Link DIR-820L 1.05B03 has a stack overflow vulnerability in the cancelPing function.EPSS 1.1%

Source: NIST National Vulnerability Database (record CVE-2025-52079), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.