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CVE-2006-7121

20
FAUCET Score

CVE-2006-7121 describes a denial-of-service vulnerability affecting the Linksys SPA-921 VoIP Desktop Phone. Remote attackers can trigger a device reboot by submitting an excessively long URL or extended username/password during Basic Authentication. This vulnerability has a CVSS score of 7.8 (High), indicating a critical impact on availability with low attack complexity and no authentication required. Despite its severity, there is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this 2006 vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
1.0.0CPE matchmatch criteria
cpe:2.3:h:linksys:spa921:1.0.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.8HIGH

AV:N/AC:L/Au:N/C:N/I:N/A:C

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.87%
Probability of exploitation in next 30 days
EPSS Percentile
77.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0187 is in the 60th percentile among its peer group of 51,553 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

archives.neohapsis.com / archives/fulldisclosure/2006-10/0089.html
secunia.com / advisories/22267
Vendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/29349
osvdb.org / 29671
securityfocus.com / bid/20346