Back
CVE-2006-5231
Grandstream GXP-2000 VoIP Desktop Phone, firmware version 1.1.0.5, allows remote attackers to cause a denial of service (hang or reboot)…
- 7.8HighCVSS base score
- 2.1%Exploitation in 30 daysEPSS · top 18% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By mitre
- 1 day later
· 1 day later
Published
- 18 years later
· 18 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High7.8 | AV:N/AC:L/Au:N/C:N/I:N/A:C |
- EPSS (exploitation in 30 days)
- 2.1% · top 18% of all CVEs (10 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Affected products
n/a
- affected n/a
References
7
- 20356 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 1718 (opens in a new tab)third-party-advisoryx_refsource_SREASONx_transferred
- 22265 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 20061005 (0-Day) GrandStream GXP-2000 VoIP Desktop Phone multiple undocumented UDP ports and DoS (opens in a new tab)mailing-listx_refsource_FULLDISCx_transferred
- ADV-2006-3941 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- grandstream-udp-dos(29356) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- http://www.grandstream.com/BETATEST/GXP2000_BT200/Release_Note_GXP2000-BT200_1.1.1.14.pdf (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2006-5216 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2006-5231)Record last updated .