Cisco IP Phone 7940 with firmware P0S3-08-7-00 allows remote attackers to cause a denial…
Priority MEDIUM 43CWE-119Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
Cisco IP Phone 7940 with firmware P0S3-08-7-00 allows remote attackers to cause a denial of service ("486 Busy" responses or device reboot) via a sequence of SIP INVITE transactions in which the Request-URI lacks a user name, a different vulnerability than CVE-2007-4459.
Why it matters now
EPSS 0.05989 93rd percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD and the CNA
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2007-5583
- 2026-10-03 Alias added: GHSA-mp26-cr2x-v76m
References
More Cisco Ip Phone 7940 vulnerabilities
- TI-2003-01013 The Session Initiation Protocol (SIP) implementation in multiple Cisco products including… CVSS 2.0HIGH 7.5
- TI-2006-00171 The Cisco IP Phone 7940 allows remote attackers to cause a denial of service (reboot) via… CVSS 2.0MEDIUM 5.0
Sources
- CVE-2007-5583 · CVE Program
- CVE-2007-5583 · NVD
- FIRST EPSS
- GHSA-mp26-cr2x-v76m · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences