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Vulnerability record · CVE-2012-6614 · published 19 February 2020

CVE-2012-6614: Dlink dsr-250n firmware missing authorization vulnerability

Dlink · Dsr 250n Firmware

D-Link DSR-250N devices before 1.08B31 allow remote authenticated users to obtain "persistent root access" via the BusyBox CLI, as demonstrated by overwriting the super user password.

7.2 CVSS 3.1 High EPSS 3.4% · top 11.6% CWE-862 · Missing authorization
7.2CVSS 3.1 base score, v2 9.0
3.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References, 4 tagged exploit
16 Jun 2026Last modified by NVD

Description

D-Link DSR-250N devices before 1.08B31 allow remote authenticated users to obtain "persistent root access" via the BusyBox CLI, as demonstrated by overwriting the super user password.

CVSS:3.1/AV:N/AC:L/PR:H/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
ftp://ftp2.dlink.com/PRODUCTS/DSR-250N/REVA/DSR-SERIES_RELEASE_NOTES_v3.14.pdf Release NotesVendor Advisory
http://www.exploit-db.com/exploits/22930/ ExploitThird Party AdvisoryVDB Entry
https://packetstormsecurity.com/files/118355/D-Link-DSR-250N-Backdoor.html ExploitThird Party AdvisoryVDB Entry
ftp://ftp2.dlink.com/PRODUCTS/DSR-250N/REVA/DSR-SERIES_RELEASE_NOTES_v3.14.pdf Release NotesVendor Advisory
http://www.exploit-db.com/exploits/22930/ ExploitThird Party AdvisoryVDB Entry
https://packetstormsecurity.com/files/118355/D-Link-DSR-250N-Backdoor.html ExploitThird Party AdvisoryVDB Entry

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Related vulnerabilities

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

10.0CVE-2013-5946Dlink dsr-500 firmware os command injection vulnerabilityThe runShellCmd function in systemCheck.htm in D-Link DSR-150 with firmware before 1.08B44; DSR-150N with firmware before 1.05B64; DSR-250 and DSR-25…EPSS 6.5%9.8CVE-2013-5945Dlink dsr-150 firmware sql injection vulnerabilityMultiple SQL injection vulnerabilities in D-Link DSR-150 with firmware before 1.08B44; DSR-150N with firmware before 1.05B64; DSR-250 and DSR-250N wi…EPSS 9.8%8.8CVE-2024-57376Dlink dsr-150 firmware classic buffer overflow vulnerabilityBuffer Overflow vulnerability in D-Link DSR-150, DSR-150N, DSR-250, DSR-250N, DSR-500N, DSR-1000N from 3.13 to 3.17B901C allows unauthenticated users…EPSS 3.6%8.8CVE-2020-25757Dlink dsr-150 firmware improper input validation vulnerabilityA lack of input validation and access controls in Lua CGIs on D-Link DSR VPN routers may result in arbitrary input being passed to system command API…EPSS 2.1%8.8CVE-2020-25758Dlink dsr-150 firmware vulnerabilityAn issue was discovered on D-Link DSR-250 3.17 devices. Insufficient validation of configuration file checksums could allow a remote, authenticated a…EPSS 1.3%8.8CVE-2020-25759Dlink dsr-150 firmware improper input validation vulnerabilityAn issue was discovered on D-Link DSR-250 3.17 devices. Certain functionality in the Unified Services Router web interface could allow an authenticat…EPSS 2.3%7.8CVE-2013-7004Dlink dsr-500 firmware vulnerabilityD-Link DSR-150 with firmware before 1.08B44; DSR-150N with firmware before 1.05B64; DSR-250 and DSR-250N with firmware before 1.08B44; and DSR-500, D…EPSS 1.9%7.2CVE-2012-6613Dlink dsr-250n firmware vulnerabilityD-Link DSR-250N devices with firmware 1.05B73_WW allow Persistent Root Access because of the admin password for the admin account.EPSS 2.0%

Source: NIST National Vulnerability Database (record CVE-2012-6614), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.