Cisco IP Phone 7940 and 7960 with P0S3-08-6-00 firmware, and other SIP firmware before…
Priority MEDIUM 46CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
Cisco IP Phone 7940 and 7960 with P0S3-08-6-00 firmware, and other SIP firmware before 8.7(0), allows remote attackers to cause a denial of service (device reboot) via (1) a certain sequence of 10 invalid SIP INVITE and OPTIONS messages; or (2) a certain invalid SIP INVITE message that contains a remote tag, followed by a certain set of two related SIP OPTIONS messages.
Why it matters now
EPSS 0.13989 96th percentileScored 2026-11-07
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
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:h:cisco:voip_phone_cp-7940:*:p0s3-08-6-00_firmware:*:*:*:*:*:* | up to 8.70 | Vulnerable | Cisco |
| cpe:2.3:h:cisco:voip_phone_cp-7940:3.0:p0s3-08-6-00_firmware:*:*:*:*:*:* | 3.0 p0s3-08-6-00_firmware | Vulnerable | Cisco |
| cpe:2.3:h:cisco:voip_phone_cp-7940:3.1:p0s3-08-6-00_firmware:*:*:*:*:*:* | 3.1 p0s3-08-6-00_firmware | Vulnerable | Cisco |
| cpe:2.3:h:cisco:voip_phone_cp-7940:3.2:p0s3-08-6-00_firmware:*:*:*:*:*:* | 3.2 p0s3-08-6-00_firmware | Vulnerable | Cisco |
| cpe:2.3:h:cisco:voip_phone_cp-7940:8.6:p0s3-08-6-00_firmware:*:*:*:*:*:* | 8.6 p0s3-08-6-00_firmware | Vulnerable | Cisco |
| cpe:2.3:h:cisco:voip_phone_cp-7960:*:p0s3-08-6-00_firmware:*:*:*:*:*:* | up to 8.70 | Vulnerable | Cisco |
- cpe:2.3:h:cisco:voip_phone_cp-7940:*:p0s3-08-6-00_firmware:*:*:*:*:*:* Versions up to 8.70 Vulnerable ·Cisco
- cpe:2.3:h:cisco:voip_phone_cp-7940:3.0:p0s3-08-6-00_firmware:*:*:*:*:*:* Versions 3.0 p0s3-08-6-00_firmware Vulnerable ·Cisco
- cpe:2.3:h:cisco:voip_phone_cp-7940:3.1:p0s3-08-6-00_firmware:*:*:*:*:*:* Versions 3.1 p0s3-08-6-00_firmware Vulnerable ·Cisco
- cpe:2.3:h:cisco:voip_phone_cp-7940:3.2:p0s3-08-6-00_firmware:*:*:*:*:*:* Versions 3.2 p0s3-08-6-00_firmware Vulnerable ·Cisco
- cpe:2.3:h:cisco:voip_phone_cp-7940:8.6:p0s3-08-6-00_firmware:*:*:*:*:*:* Versions 8.6 p0s3-08-6-00_firmware Vulnerable ·Cisco
- cpe:2.3:h:cisco:voip_phone_cp-7960:*:p0s3-08-6-00_firmware:*:*:*:*:*:* Versions up to 8.70 Vulnerable ·Cisco
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2007-4459
- 2026-10-03 Alias added: GHSA-r3r7-8q5v-779v
References
More Cisco Voip Phone Cp-7940 vulnerabilities
- TI-2002-00856 The web server for Cisco IP Phone (VoIP) models 7910, 7940, and 7960 allows remote… CVSS 2.0MEDIUM 6.4
- TI-2002-00854 Cisco IP Phone (VoIP) models 7910, 7940, and 7960 allow remote attackers to cause a… CVSS 2.0MEDIUM 5.0
- TI-2002-00855 Cisco IP Phone (VoIP) models 7910, 7940, and 7960 use a default administrative password… CVSS 2.0LOW 2.1
Sources
- CVE-2007-4459 · CVE Program
- CVE-2007-4459 · NVD
- FIRST EPSS
- GHSA-r3r7-8q5v-779v · 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