Is CVE-2014-8357 in the CISA KEV catalog?

No. CVE-2014-8357 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2014-8357?

CVE-2014-8357 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2014-8357?

CVE-2014-8357 has an EPSS score of 5.44% (92th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2014-8357?

Upgrade znid 2426a firmware to s3.0.501 or later.

CVE & CISA-KEV Catalog

CVE-2014-8357

HIGHEPSS 92th pctl

8.8

CVSS v3

NVD

Description

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.

CWE-255

How to fix

Remediation Available

znid 2426a firmwareNVD

Affected:< s3.0.501Fixed in:s3.0.501CVE-2014-8357derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

5.44%probability of exploitation in 30 days

92ndpercentile

High risk: more likely to be exploited than 92% of all known CVEs.

References

Exploit3

Other references1

securityfocus.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-13.