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Vulnerability record · CVE-2007-5583 · published 18 December 2007

CVE-2007-5583: Cisco ip phone 7940 memory buffer overflow vulnerability

Cisco · Ip Phone 7940

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.

7.8 CVSS 2.0 High EPSS 6.0% · top 6.9% CWE-119 · Memory buffer overflow
7.8CVSS 2.0 base score
6.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
14References, 4 tagged exploit
16 Jun 2026Last modified by NVD

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.grok.org.uk/pipermail/full-disclosure/2007-December/058837.html Exploit
http://lists.grok.org.uk/pipermail/full-disclosure/2007-December/058932.html
http://seclists.org/fulldisclosure/2007/Dec/0196.html
http://www.securityfocus.com/bid/26711 Exploit
http://www.securitytracker.com/id?1019059
https://exchange.xforce.ibmcloud.com/vulnerabilities/38853
https://www.exploit-db.com/exploits/4692
http://lists.grok.org.uk/pipermail/full-disclosure/2007-December/058837.html Exploit
http://lists.grok.org.uk/pipermail/full-disclosure/2007-December/058932.html
http://seclists.org/fulldisclosure/2007/Dec/0196.html
http://www.securityfocus.com/bid/26711 Exploit
http://www.securitytracker.com/id?1019059
https://exchange.xforce.ibmcloud.com/vulnerabilities/38853
https://www.exploit-db.com/exploits/4692

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2007-5583), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.