Critical severity · published Apr 1, 2019
CVE-2018-17564
A Malformed Input String to /cgi-bin/delete_CA on Grandstream GXP16xx VoIP 1.0.4.128 phones allows attackers to delete configuration parameters and gain admin access to the device
9.8
CVSS
1.6%
EPSS
No
On KEV
Description
A Malformed Input String to /cgi-bin/delete_CA on Grandstream GXP16xx VoIP 1.0.4.128 phones allows attackers to delete configuration parameters and gain admin access to the device.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.6% · higher than 75% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GF
Gxp1610 Firmware · Grandstream
1.0.4.128 · source: NVD
GF
Gxp1615 Firmware · Grandstream
1.0.4.128 · source: NVD
GF
Gxp1620 Firmware · Grandstream
1.0.4.128 · source: NVD
GF
Gxp1625 Firmware · Grandstream
1.0.4.128 · source: NVD
GF
Gxp1628 Firmware · Grandstream
1.0.4.128 · source: NVD
GF
Gxp1630 Firmware · Grandstream
1.0.4.128 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-17564
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-17564
Vendor Advisory
http://grandstream.com/support/firmware
iridiumxor.wordpress.com
https://iridiumxor.wordpress.com/2019/01/03/three-simple-cves-for-a-good-voip-phone/
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