CVE-2007-5583 describes a denial-of-service vulnerability in Cisco IP Phone 7940 devices running firmware P0S3-08-7-00. An unauthenticated remote attacker can exploit this by sending a specific sequence of SIP INVITE requests with a missing username in the Request-URI, leading to "486 Busy" responses or device reboots. This vulnerability has a CVSS score of 7.8 (High) due to its network-based attack vector, low complexity, and complete impact on availability. While not actively exploited in the wild and not on CISA's KEV catalog, public exploit code exists (ExploitDB), though there is minimal community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
All Versions ImpactedCPE matchmatch criteria | cpe:2.3:h:cisco:ip_phone_7940:*:firmware_p0s3-08-7-00:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:C
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.
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 records are not available for this CVE.