High severity · published Mar 28, 2026
CVE-2018-25225
SIPP 3.3 Stack-Based Buffer Overflow via Configuration File
7.8
CVSS
0.2%
EPSS
No
On KEV
Description
SIPP 3.3 contains a stack-based buffer overflow vulnerability that allows local unauthenticated attackers to execute arbitrary code by supplying malicious input in the configuration file. Attackers can craft a configuration file with oversized values that overflow a stack buffer, overwriting the return address and executing arbitrary code through return-oriented programming gadgets.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 9% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SI
SIPP · Sipp
3.3 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-25225
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-25225
Product
http://sipp.sourceforge.net/
Exploit
https://www.exploit-db.com/exploits/45288
Third Party Advisory
https://www.vulncheck.com/advisories/sipp-stack-based-buffer-overflow-via-configuration-file
More from SIPP
8.4
CVE-2018-25356
SIPp 3.6 Local Buffer Overflow via Command-line Arguments
7.5
CVE-2026-90780
SIPp through 3.7.7 Buffer Overflow via Oversized SIP Header Content
7.5
CVE-2026-90779
SIPp through 3.7.7 Stack Buffer Overflow via createAuthHeader Algorithm Parameter
7.5
CVE-2026-90778
SIPp through 3.7.7 Buffer Overflow via SIP To Header Tag
–
CVE-2008-1959
Stack-based buffer overflow in the get_remote_video_port_media function in call.cpp in SIPp 3.0 allows remote attackers to cause a denial of service and possibly execute arbitrary…
