CVE-2006-0737

NONECVSS 0.0Weaponized

0.0

eStara SIP softphone allows remote attackers to cause a denial of service (crash) via a SIP OPTIONS request with a negative Expires field.

CVSS v3: —
EG Score: —
EPSS: 91.2%
KEV: Not listed

Published

February 17, 2006

Last Modified

April 16, 2026

References (10)

cve@mitrehttp://secunia.com/advisories/18872
cve@mitrehttp://www.securityfocus.com/archive/1/424943/100/0/threaded
cve@mitrehttp://www.securityfocus.com/bid/16629
cve@mitrehttp://www.vupen.com/english/advisories/2006/0607
cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/24677
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/18872
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/archive/1/424943/100/0/threaded
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/16629
af854a3a-2127-422b-91ae-364da2661108http://www.vupen.com/english/advisories/2006/0607
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/24677

Data Freshness Timeline

(refreshed 10× in last 7d / 18× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-29 13:40 UTCepss_batch
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Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-27211✓ verified
First seen Feb 14, 2006
eStara SoftPhone 3.0.1 SIP Packet - Multiple Malformed Field Denial of Service Vulnerabilities
Open source ↗

Frequently asked(4)

What is CVE-2006-0737?

CVE-2006-0737 is a none vulnerability published on February 17, 2006. eStara SIP softphone allows remote attackers to cause a denial of service (crash) via a SIP OPTIONS request with a negative Expires field.

When was CVE-2006-0737 disclosed?

CVE-2006-0737 was first published in the National Vulnerability Database on February 17, 2006, with the most recent update on April 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2006-0737 actively exploited?

CVE-2006-0737 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 91.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2006-0737?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2006-0737, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2006-0737

📅 Published

🔄 Last Modified

🔗 References (10)