CVE-2014-7859

Stack-based buffer overflow in login_mgr.cgi in D-Link firmware DNR-320L and DNS-320LW before 1...

9.8 Critical

Stack-based buffer overflow in login_mgr.cgi in D-Link firmware DNR-320L and DNS-320LW before 1.04b08, DNR-322L before 2.10 build 03, DNR-326 before 2.10 build 03, and DNS-327L before 1.04b01 allows remote attackers to execute arbitrary code by crafting malformed "Host" and "Referer" header values.

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

20.9%Up 15.2 points since Feb 4, 2022

What each source reports

NVD Score used 9.8

Record: CVE-2014-7859
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: 7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness: CWE-119
Updated: 2026-11-02

CVE List No score

Record: CVE-2014-7859
Updated: 2026-11-02

EUVDEUVD-2014-7709 No score

Record: EUVD-2014-7709
Updated: 2026-11-03

GitHub AdvisoriesGHSA-82v9-g947-fhvr 9.8

Stack-based buffer overflow in login_mgr.cgi in D-Link firmware DNR-320L and DNS-320LW before 1...

Record: GHSA-82v9-g947-fhvr
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-119
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-2014-7859 is a critical vulnerability (CVSS 9.8) in D-link Dnr-320l Firmware, published August 25, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 20.9%, the 97th percentile. No source names a fixed version.