CVE-2004-0680

CVE-2004-0680 is a critical-severity vulnerability in Zoom Model 5560 X3 Ethernet Adsl Modem with a CVSS 2.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Zoom X3 ADSL modem has a terminal running on port 254 that can be accessed using the default HTML management password, even if the password has been changed for the HTTP interface, which could allow remote attackers to gain unauthorized access.

Frequently asked questions

What is CVE-2004-0680?
Zoom X3 ADSL modem has a terminal running on port 254 that can be accessed using the default HTML management password, even if the password has been changed for the HTTP interface, which could allow remote attackers to gain unauthorized access.
How severe is CVE-2004-0680?
CVE-2004-0680 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2004-0680 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2004-0680?
CVE-2004-0680 affects Zoom Model 5560 X3 Ethernet Adsl Modem. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2004-0680?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2004-0680 published?
CVE-2004-0680 was published on 2004-08-06 and last updated on 2026-06-16.

References

Affected products (1)