CVE-2005-3725

CVE-2005-3725 is a medium-severity vulnerability in Zyxel Prestige 2000w V.1voip Wi-fi Phone with a CVSS 2.0 base score of 6.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Zyxel P2000W Version 1 VOIP WIFI Phone Wj.00.10 uses hardcoded IP addresses for its DNS servers, which could allow remote attackers to cause a denial of service or hijack Zyxel phones by attacking or spoofing the hardcoded DNS servers. NOTE: it could be argued that this issue reflects an inherent limitation of DNS itself, so perhaps it should not be included in CVE.

Frequently asked questions

What is CVE-2005-3725?
Zyxel P2000W Version 1 VOIP WIFI Phone Wj.00.10 uses hardcoded IP addresses for its DNS servers, which could allow remote attackers to cause a denial of service or hijack Zyxel phones by attacking or spoofing the hardcoded DNS servers. NOTE: it could be argued that this issue reflects an inherent limitation of DNS itself, so perhaps it should not be included in CVE.
How severe is CVE-2005-3725?
CVE-2005-3725 has a CVSS 2.0 base score of 6.4, rated medium severity.
Is CVE-2005-3725 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-3725?
CVE-2005-3725 affects Zyxel Prestige 2000w V.1voip Wi-fi Phone. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2005-3725?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2005-3725 published?
CVE-2005-3725 was published on 2005-11-21 and last updated on 2026-06-16.

References

Affected products (1)

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