How severe is CVE-2014-3427?

CVE-2014-3427 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2014-3427 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-3427?

CVE-2014-3427 affects Yealink Voip Phone Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2014-3427?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2014-3427 published?

CVE-2014-3427 was published on 2014-07-16 and last updated on 2026-06-17.

CVE-2014-3427

CVE-2014-3427 is a medium-severity vulnerability in Yealink Voip Phone Firmware with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Yealink Voip Phone Firmware
Published: 2014-07-16
Last modified: 2026-06-17

Description

CRLF injection vulnerability in Yealink VoIP Phones with firmware 28.72.0.2 allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via the model parameter to servlet.

Frequently asked questions

What is CVE-2014-3427?: CRLF injection vulnerability in Yealink VoIP Phones with firmware 28.72.0.2 allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via the model parameter to servlet.
How severe is CVE-2014-3427?: CVE-2014-3427 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2014-3427 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-3427?: CVE-2014-3427 affects Yealink Voip Phone Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2014-3427?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-3427 published?: CVE-2014-3427 was published on 2014-07-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:yealink:voip_phone_firmware:28.72.0.2:*:*:*:*:*:*:*

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