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Vulnerability record · CVE-2014-7857 · published 25 August 2017

CVE-2014-7857: D-link dns-322l firmware improper authentication vulnerability

D Link · Dns 322l Firmware

D-Link DNS-320L firmware before 1.04b12, DNS-327L before 1.03b04 Build0119, DNR-326 1.40b03, DNS-320B 1.02b01, DNS-345 1.03b06, DNS-325 1.05b03, and DNS-322L 2.00b07 allow remote attackers to bypass authentication and log in with administrator permissions by passing the cgi_set_wto command in the cmd parameter, and setting the spawned session's cookie to username=admin.

9.8 CVSS 3.0 Critical EPSS 15% · top 3.4% CWE-287 · Improper authentication
9.8CVSS 3.0 base score, v2 10.0
15%EPSS exploitation probability, 30 days
NoNot in CISA KEV
7Affected product versions listed by NVD
10References
17 Jun 2026Last modified by NVD

Description

D-Link DNS-320L firmware before 1.04b12, DNS-327L before 1.03b04 Build0119, DNR-326 1.40b03, DNS-320B 1.02b01, DNS-345 1.03b06, DNS-325 1.05b03, and DNS-322L 2.00b07 allow remote attackers to bypass authentication and log in with administrator permissions by passing the cgi_set_wto command in the cmd parameter, and setting the spawned session's cookie to username=admin.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

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

References

LinkTags
http://packetstormsecurity.com/files/132075/D-Link-Bypass-Buffer-Overflow.html Third Party AdvisoryVDB Entry
http://seclists.org/fulldisclosure/2015/May/125 Mailing ListThird Party AdvisoryVDB Entry
http://www.search-lab.hu/media/D-Link_Security_advisory_3_0_public.pdf Technical Description
http://www.securityfocus.com/archive/1/535626/100/200/threaded
http://www.securityfocus.com/bid/74880 Third Party AdvisoryVDB Entry
http://packetstormsecurity.com/files/132075/D-Link-Bypass-Buffer-Overflow.html Third Party AdvisoryVDB Entry
http://seclists.org/fulldisclosure/2015/May/125 Mailing ListThird Party AdvisoryVDB Entry
http://www.search-lab.hu/media/D-Link_Security_advisory_3_0_public.pdf Technical Description
http://www.securityfocus.com/archive/1/535626/100/200/threaded
http://www.securityfocus.com/bid/74880 Third Party AdvisoryVDB Entry

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Related vulnerabilities

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

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Source: NIST National Vulnerability Database (record CVE-2014-7857), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.