CVE-2004-2637

CVE-2004-2637 is a medium-severity vulnerability in Zonet Zsr1104we Wireless Router Runtime Code 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

The NAT implementation in Zonet ZSR1104WE Wireless Router Runtime Code Version 2.41 converts IP addresses of inbound connections to the IP address of the router, which allows remote attackers to bypass intended security restrictions.

Frequently asked questions

What is CVE-2004-2637?
The NAT implementation in Zonet ZSR1104WE Wireless Router Runtime Code Version 2.41 converts IP addresses of inbound connections to the IP address of the router, which allows remote attackers to bypass intended security restrictions.
How severe is CVE-2004-2637?
CVE-2004-2637 has a CVSS 2.0 base score of 6.4, rated medium severity.
Is CVE-2004-2637 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2004-2637?
CVE-2004-2637 affects Zonet Zsr1104we Wireless Router Runtime Code. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2004-2637?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2004-2637 published?
CVE-2004-2637 was published on 2004-12-31 and last updated on 2026-06-16.

References

Affected products (1)