CVE-2007-5583
Cisco IP Phone 7940 with firmware P0S3-08-7-00 allows remote attackers to cause a denial of service ("486 Busy" responses or device…
- 7.8HighCVSS base score
- 6.0%Exploitation in 30 daysEPSS · top 6.6% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 1Public exploitsMetasploit, Nuclei and Exploit-DB
Description
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.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list an Exploit-DB entry for it. A reference of the record is tagged as an exploit.
Show the exploits2
Exploit-DB1 entry
- Cisco Phone 7940 - Remote Denial of Service (Exploit-DB entry) (opens in a new tab)
EDB-ID 4692dos, hardwarepublished 5 Dec 2007Verified
References tagged exploit1 reference
- 4692 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By cisco
- 2 months later
· 2 months later
Published
- 17 years later
· 17 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High7.8 | AV:N/AC:L/Au:N/C:N/I:N/A:C |
- EPSS (exploitation in 30 days)
- 6.0% · top 6.6% of all CVEs (9 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Affected products
n/a
- affected n/a
References
7
- 26711 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 20071208 Cisco Phone 7940 remote DOS (opens in a new tab)mailing-listx_refsource_FULLDISCx_transferred
- 20071205 Cisco Phone 7940 remote DOS (opens in a new tab)mailing-listx_refsource_FULLDISCx_transferred
- 4692 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- 20071208 Re: Cisco Phone 7940 remote DOS (opens in a new tab)mailing-listx_refsource_FULLDISCx_transferred
- 1019059 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- cisco-ipphone-invite-dos(38853) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2007-5558 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2007-5583)Record last updated .