How severe is CVE-2014-8357?

CVE-2014-8357 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2014-8357 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-8357?

CVE-2014-8357 affects Dasanzhone Znid 2426a Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2014-8357?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2014-8357 published?

CVE-2014-8357 was published on 2017-10-17 and last updated on 2026-06-17.

CVE-2014-8357

CVE-2014-8357 is a high-severity vulnerability in Dasanzhone Znid 2426a Firmware with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-255.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 4.0
EPSS exploit prediction: 5% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-255
Affected product: Dasanzhone Znid 2426a Firmware
Published: 2017-10-17
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2014-8357?: 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.
How severe is CVE-2014-8357?: CVE-2014-8357 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2014-8357 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-8357?: CVE-2014-8357 affects Dasanzhone Znid 2426a Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2014-8357?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2014-8357 published?: CVE-2014-8357 was published on 2017-10-17 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:dasanzhone:znid_2426a_firmware:*:*:*:*:*:*:*:*

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