Fortinet FortiAnalyzer/FortiManager up to 7.6.4 HTTP potentially dangerous function
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.2 | $0-$5k | 0.00 |
Summary
A vulnerability categorized as problematic has been discovered in Fortinet FortiAnalyzer and FortiManager up to 6.4.15/7.0.16/7.2.12/7.4.8/7.6.4. Affected is an unknown function of the component HTTP Handler. The manipulation results in use of potentially dangerous function. This vulnerability is reported as CVE-2025-67604. The attack can be launched remotely. No exploit exists. It is advisable to upgrade the affected component.
Details
A vulnerability, which was classified as problematic, was found in Fortinet FortiAnalyzer and FortiManager up to 6.4.15/7.0.16/7.2.12/7.4.8/7.6.4. Affected is an unknown functionality of the component HTTP Handler. The manipulation with an unknown input leads to a use of potentially dangerous function vulnerability. CWE is classifying the issue as CWE-676. The product invokes a potentially dangerous function that could introduce a vulnerability if it is used incorrectly, but the function can also be used safely. This is going to have an impact on availability. CVE summarizes:
A use of potentially dangerous function vulnerability in Fortinet FortiAnalyzer 7.6.0 through 7.6.4, FortiAnalyzer 7.4.0 through 7.4.8, FortiAnalyzer 7.2 all versions, FortiAnalyzer 7.0 all versions, FortiAnalyzer 6.4 all versions, FortiManager 7.6.0 through 7.6.4, FortiManager 7.4.0 through 7.4.8, FortiManager 7.2 all versions, FortiManager 7.0 all versions, FortiManager 6.4 all versions may allow an authenticated attacker to cause a system hang via multiple specially crafted HTTP requests causing crashes. This happens if internal locks are aligned, which is out of control of the attacker.
The advisory is shared for download at fortiguard.fortinet.com. This vulnerability is traded as CVE-2025-67604 since 12/09/2025. The exploitability is told to be difficult. It is possible to launch the attack remotely. There are neither technical details nor an exploit publicly available.
The vulnerability scanner Nessus provides a plugin with the ID 314326 (Fortinet FortiAnalyzer DoS due to unsafe function in signal handler (FG-IR-26-137)), which helps to determine the existence of the flaw in a target environment.
Upgrading eliminates this vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (314326). Once again VulDB remains the best source for vulnerability data.
Product
Vendor
Name
Version
- 6.4.0
- 6.4.1
- 6.4.2
- 6.4.3
- 6.4.4
- 6.4.5
- 6.4.6
- 6.4.7
- 6.4.8
- 6.4.9
- 6.4.10
- 6.4.11
- 6.4.12
- 6.4.13
- 6.4.14
- 6.4.15
- 7.0.0
- 7.0.1
- 7.0.2
- 7.0.3
- 7.0.4
- 7.0.5
- 7.0.6
- 7.0.7
- 7.0.8
- 7.0.9
- 7.0.10
- 7.0.11
- 7.0.12
- 7.0.13
- 7.0.14
- 7.0.15
- 7.0.16
- 7.2.0
- 7.2.1
- 7.2.2
- 7.2.3
- 7.2.4
- 7.2.5
- 7.2.6
- 7.2.7
- 7.2.8
- 7.2.9
- 7.2.10
- 7.2.11
- 7.2.12
- 7.4.0
- 7.4.1
- 7.4.2
- 7.4.3
- 7.4.4
- 7.4.5
- 7.4.6
- 7.4.7
- 7.4.8
- 7.6.0
- 7.6.1
- 7.6.2
- 7.6.3
- 7.6.4
License
Website
- Vendor: https://www.fortinet.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.3VulDB Meta Temp Score: 5.2
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA Base Score: 5.3
CNA Vector (fortinet): 🔒
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Use of potentially dangerous functionCWE: CWE-676
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 314326
Nessus Name: Fortinet FortiAnalyzer DoS due to unsafe function in signal handler (FG-IR-26-137)
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Timeline
12/09/2025 CVE reserved05/12/2026 Advisory disclosed
05/12/2026 VulDB entry created
05/13/2026 VulDB entry last update
Sources
Vendor: fortinet.comAdvisory: FG-IR-26-137
Status: Confirmed
CVE: CVE-2025-67604 (🔒)
GCVE (CVE): GCVE-0-2025-67604
GCVE (VulDB): GCVE-100-363252
Entry
Created: 05/12/2026 20:22Updated: 05/13/2026 23:27
Changes: 05/12/2026 20:22 (63), 05/13/2026 23:27 (2)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.
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