Unrated severityNVD Advisory· Published Dec 18, 2007· Updated Jun 16, 2026

CVE-2007-5583

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Cisco Systems, Inc./Voip Phone Cp 7940
cpe:2.3:h:cisco:ip_phone_7940:*:firmware_p0s3-08-7-00:*:*:*:*:*:*
Cisco Systems, Inc./IP Phone 7940llm-create
Range: P0S3-08-7-00

Patches

Vulnerability mechanics

References

lists.grok.org.uk/pipermail/full-disclosure/2007-December/058837.htmlnvdExploit
www.securityfocus.com/bid/26711nvdExploit
lists.grok.org.uk/pipermail/full-disclosure/2007-December/058932.htmlnvd
seclists.org/fulldisclosure/2007/Dec/0196.htmlnvd
www.securitytracker.com/idnvd
exchange.xforce.ibmcloud.com/vulnerabilities/38853nvd
www.exploit-db.com/exploits/4692nvd

News mentions

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