Executive Summary

Pingtel xpressa SIP-based voice-over-IP phone 1.2.5 through 1.2.7.4 downloads phone applications from a web site but can not verify the integrity of the applications, which could allow remote attackers to install Trojan horse applications via DNS spoofing.

Why It Matters

CVE-2002-0671 is rated CRITICAL severity, requiring immediate attention from security teams.

CVSS Base Score: 9.8/10

Affected Technologies

Vendors: pingtel

Products: xpressa_firmware, xpressa

🛡️What Defenders Should Check

Check if you are affected — Review your asset inventory for products listed in CVE-2002-0671.

Apply available patches — Visit vendor advisories for the latest security updates.

Monitor for exploitation — Check your SIEM/IDS logs for related indicators.

Use Vulnios to continuously monitor your exposure to CVE-2002-0671 and similar vulnerabilities.

References & Sources

http://www.atstake.com/research/advisories/2002/a071202-1.txt

http://www.iss.net/security_center/static/9566.php

http://www.pingtel.com/PingtelAtStakeAdvisoryResponse.jsp

http://www.securityfocus.com/bid/5224

http://www.atstake.com/research/advisories/2002/a071202-1.txt

http://www.iss.net/security_center/static/9566.php

http://www.pingtel.com/PingtelAtStakeAdvisoryResponse.jsp

http://www.securityfocus.com/bid/5224

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Affected Products

xpressa_firmwarexpressa

Sources

NVD / NIST

critical

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Critical Vulnerability: CVE-2002-0671 — pingtel — xpressa_firmware, xpressa