CVE-2005-4826

Name: CVE-2005-4826
Creator: NVD / NIST
Published: 2005-12-31T05:00:00+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.97%

Last modified Jun 16, 2026

CVE-2005-4826 is a vulnerability of currently unknown severity. Unspecified vulnerability in the VLAN Trunking Protocol (VTP) feature in Cisco IOS 12.1(22)EA3 on Catalyst 2950T switches allows remote attackers to cause a denial of service (device reboot) via a crafted Subset-Advert message packet, a different issue than CVE-2006-4774, CVE-2006-4775, and CVE-2006-4776.. EPSS estimates a 0.97% chance of exploitation in the next 30 days.

Description

Unspecified vulnerability in the VLAN Trunking Protocol (VTP) feature in Cisco IOS 12.1(22)EA3 on Catalyst 2950T switches allows remote attackers to cause a denial of service (device reboot) via a crafted Subset-Advert message packet, a different issue than CVE-2006-4774, CVE-2006-4775, and CVE-2006-4776.

Metrics

EPSS Probability

0.97%

57.4th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Cisco	Ios	12.1\(22\)ea3

References

Timeline

Published: Dec 31, 2005
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2005-4826?

How severe is CVE-2005-4826?

Severity scoring for CVE-2005-4826 is pending analysis. The EPSS model estimates a 0.97% probability of exploitation in the next 30 days.

How do I fix CVE-2005-4826?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2005-4826?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST