CVE-2014-7857

D-Link DNS-320L firmware before 1.04b12, DNS-327L before 1.03b04 Build0119, DNR-326 1.40b03, DNS...

9.8 Critical

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

15.2%Up 14.0 points since Feb 4, 2022

What each source reports

NVD Score used 9.8

Record: CVE-2014-7857
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 10.0 HighAV:N/AC:L/Au:N/C:C/I:C/A:C
Weakness: CWE-287
Updated: 2026-11-02

CVE List No score

Record: CVE-2014-7857
Updated: 2026-11-02

EUVDEUVD-2014-7707 No score

Record: EUVD-2014-7707
Updated: 2026-11-03

GitHub AdvisoriesGHSA-586h-8q3m-f5hh 9.8

D-Link DNS-320L firmware before 1.04b12, DNS-327L before 1.03b04 Build0119, DNR-326 1.40b03, DNS...

Record: GHSA-586h-8q3m-f5hh
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-287
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2014-7857 is a critical vulnerability (CVSS 9.8) in D-link Dns-320l Firmware, published August 25, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 15.2%, the 96th percentile. No source names a fixed version.