Critical severity · published Jun 3, 2025
CVE-2025-32105
A buffer overflow in the the Sangoma IMG2020 HTTP server through 2.3.9.6 allows an unauthenticated user to achieve remote code execution
9.8
CVSS
1.2%
EPSS
No
On KEV
Description
A buffer overflow in the the Sangoma IMG2020 HTTP server through 2.3.9.6 allows an unauthenticated user to achieve remote code execution.
CVSS vector
CVSS:3.1/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)1.2% · higher than 69% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IF
Img2020 Firmware · Sangoma
through 2.3.9.6 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-32105
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-32105
github.com
https://github.com/austin2111/papers/blob/main/CVE-2025-32105_CVE-2025-32106_Technical_Report.pdf
Exploit
https://github.com/austin2111/papers/blob/main/Software_Vulnerabilities_in_Telecommunications_Hardware.pdf