CVE-2006-7121

CVE-2006-7121 is a high-severity vulnerability in Linksys Spa921 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

Description

The HTTP server in Linksys SPA-921 VoIP Desktop Phone allows remote attackers to cause a denial of service (reboot) via (1) a long URL, or a long (2) username or (3) password during Basic Authentication.

Frequently asked questions

What is CVE-2006-7121?
The HTTP server in Linksys SPA-921 VoIP Desktop Phone allows remote attackers to cause a denial of service (reboot) via (1) a long URL, or a long (2) username or (3) password during Basic Authentication.
How severe is CVE-2006-7121?
CVE-2006-7121 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2006-7121 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-7121?
CVE-2006-7121 affects Linksys Spa921. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2006-7121?
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-2006-7121 published?
CVE-2006-7121 was published on 2007-03-06 and last updated on 2026-06-16.

References

Affected products (1)