CVE-2006-5231

Severity: high (CVSS 7.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2006-10-11 · updated 2026-06-16

Description

Grandstream GXP-2000 VoIP Desktop Phone, firmware version 1.1.0.5, allows remote attackers to cause a denial of service (hang or reboot) via a large amount of ASCII data sent to port (1) 5060/UDP, (2) 5062/UDP, (3) 5064/UDP, (4) 5066/UDP, (5) 9876/UDP, or (6) 26789/UDP.

Affected products

Grandstream Gxp-2000: 1.1.0.5

References

http://lists.grok.org.uk/pipermail/full-disclosure/2006-October/049876.html
http://secunia.com/advisories/22265
http://securityreason.com/securityalert/1718
http://www.grandstream.com/BETATEST/GXP2000_BT200/Release_Note_GXP2000-BT200_1.1.1.14.pdf
http://www.securityfocus.com/bid/20356
http://www.vupen.com/english/advisories/2006/3941
https://exchange.xforce.ibmcloud.com/vulnerabilities/29356
http://lists.grok.org.uk/pipermail/full-disclosure/2006-October/049876.html
http://secunia.com/advisories/22265
http://securityreason.com/securityalert/1718
http://www.grandstream.com/BETATEST/GXP2000_BT200/Release_Note_GXP2000-BT200_1.1.1.14.pdf
http://www.securityfocus.com/bid/20356

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