How severe is CVE-2007-3347?

CVE-2007-3347 has a CVSS 2.0 base score of 7.8, rated high severity.

Is CVE-2007-3347 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-3347?

CVE-2007-3347 primarily affects D-link Dph-540. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2007-3347?

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-2007-3347 published?

CVE-2007-3347 was published on 2007-06-22 and last updated on 2026-06-16.

CVE-2007-3347

CVE-2007-3347 is a high-severity vulnerability in D-link Dph-540 with a CVSS 2.0 base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.8)
EPSS exploit prediction: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: D-link Dph-540
Published: 2007-06-22
Last modified: 2026-06-16

Description

The D-Link DPH-540/DPH-541 phone accepts SIP INVITE messages that are not from the Call Server's IP address, which allows remote attackers to engage in arbitrary SIP communication with the phone, as demonstrated by communication with forged caller ID.

Frequently asked questions

What is CVE-2007-3347?: The D-Link DPH-540/DPH-541 phone accepts SIP INVITE messages that are not from the Call Server's IP address, which allows remote attackers to engage in arbitrary SIP communication with the phone, as demonstrated by communication with forged caller ID.
How severe is CVE-2007-3347?: CVE-2007-3347 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2007-3347 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-3347?: CVE-2007-3347 primarily affects D-link Dph-540. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2007-3347?: 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-2007-3347 published?: CVE-2007-3347 was published on 2007-06-22 and last updated on 2026-06-16.

References

Affected products (4)

cpe:2.3:h:d-link:dph-540:1.00.03:*:*:*:*:*:*:*
cpe:2.3:h:d-link:dph-540:1.00.14:*:*:*:*:*:*:*
cpe:2.3:h:d-link:dph-541:1.00.03:*:*:*:*:*:*:*
cpe:2.3:h:d-link:dph-541:1.00.14:*:*:*:*:*:*:*

More vulnerabilities in D-link Dph-540

CVE-2007-3348 — High (CVSS 7.8): The D-Link DPH-540/DPH-541 phone allows remote attackers to cause a denial of service (device outage) via a malformed…

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