CVE-2014-8357

backupsettings.html in the web administrative portal in Zhone zNID GPON 2426A before S3.0.501...

8.8 HighPublic exploit

backupsettings.html in the web administrative portal in Zhone zNID GPON 2426A before S3.0.501 places a session key in a URL, which allows remote attackers to obtain arbitrary user passwords via the sessionKey parameter in a getConfig action to backupsettings.conf.

Attack profile

How easy it is to exploit

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

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

5.44%Up 4.3 points since Feb 4, 2022

What each source reports

NVD Score used 8.8

Record: CVE-2014-8357
CVSS 3.0: 8.8 HighCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 4.0 MediumAV:N/AC:L/Au:S/C:P/I:N/A:N
Weakness: CWE-255
Updated: 2026-11-02

CVE List No score

Record: CVE-2014-8357
Updated: 2026-11-02

EUVDEUVD-2014-8194 No score

Record: EUVD-2014-8194
Updated: 2026-11-03

GitHub AdvisoriesGHSA-33rm-chj2-wr75 8.8

backupsettings.html in the web administrative portal in Zhone zNID GPON 2426A before S3.0.501...

Record: GHSA-33rm-chj2-wr75
CVSS 3.0: 8.8 HighCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

Affected products

dasanzhone znid 2426a firmware

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
Exploit-DB	ZHONE < S3.0.501 - Multiple Vulnerabilities	2015-10-13

History

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

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

In short

CVE-2014-8357 is a high vulnerability (CVSS 8.8) in Dasanzhone Znid 2426a Firmware, published October 17, 2017. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 5.44%, the 92nd percentile. No source names a fixed version.