Medium severity · published Aug 12, 2025
CVE-2025-25248
An Integer Overflow or Wraparound vulnerability [CWE-190] in FortiOS version 7.6.2 and below, version 7.4.7 and below, version 7.2.10 and below, 7.2 all versions, 6.4 all…
6.5
CVSS
0.5%
EPSS
No
On KEV
Description
An Integer Overflow or Wraparound vulnerability [CWE-190] in FortiOS version 7.6.2 and below, version 7.4.7 and below, version 7.2.10 and below, 7.2 all versions, 6.4 all versions, FortiProxy version 7.6.2 and below, version 7.4.3 and below, 7.2 all versions, 7.0 all versions, 2.0 all versions and FortiPAM version 1.5.0, version 1.4.2 and below, 1.3 all versions, 1.2 all versions, 1.1 all versions, 1.0 all versions SSL-VPN RDP and VNC bookmarks may allow an authenticated user to affect the device SSL-VPN availability via crafted requests.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 42% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FO
FortiOS · Fortinet
7.6.0 through 7.6.2; 7.4.0 through 7.4.7; 7.2.0 through 7.2.10; 7.0.0 through 7.0.17; 6.4.0 through 6.4.16 · source: vendor, NVD
FO
FortiPAM · Fortinet
1.5.0; 1.4.0 through 1.4.2; 1.3.0 through 1.3.1; 1.2.0; 1.1.0 through 1.1.2; 1.0.0 through 1.0.3 · source: vendor, NVD
FO
FortiProxy · Fortinet
7.6.0 through 7.6.2; 7.4.0 through 7.4.3; 7.2.0 through 7.2.14; 7.0.0 through 7.0.21; 2.0.0 through 2.0.14 · source: vendor, NVD
RA
RUGGEDCOM APE1808 · Siemens
0 · source: CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-25248
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-25248
Vendor Advisory
https://fortiguard.fortinet.com/psirt/FG-IR-24-364
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/html/ssa-864900.html
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