Fortinet FortiSASE/FortiOS stack-based overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Fortinet FortiSASE and FortiOS. It has been classified as critical. Affected by this vulnerability is an unknown functionality. This manipulation causes stack-based overflow. This vulnerability is tracked as CVE-2025-58413. The attack is only possible within the local network. No exploit exists.

Detailsinfo

A vulnerability was found in Fortinet FortiSASE and FortiOS (unknown version). It has been declared as critical. Affected by this vulnerability is an unknown code block. The manipulation with an unknown input leads to a stack-based overflow vulnerability. The CWE definition for the vulnerability is CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

A stack-based buffer overflow vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.4 all versions, FortiOS 6.2 all versions, FortiOS 6.0 all versions, FortiSASE 25.3.b allows attacker to execute unauthorized code or commands via specially crafted packets

It is possible to read the advisory at fortiguard.fortinet.com. This vulnerability is known as CVE-2025-58413 since 09/01/2025. The exploitation appears to be difficult. Access to the local network is required for this attack. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 11/21/2025).

The vulnerability scanner Nessus provides a plugin with the ID 275610 (Fortinet Fortigate Stack buffer overflow in CAPWAP daemon (FG-IR-25-632)), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Tenable (275610), EUVD (EUVD-2025-198009) and CERT Bund (WID-SEC-2025-2624). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Affected

  • Fortinet FortiOS

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.5

VulDB Base Score: 7.5
VulDB Temp Score: 7.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector (fortinet): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 275610
Nessus Name: Fortinet Fortigate Stack buffer overflow in CAPWAP daemon (FG-IR-25-632)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

09/01/2025 CVE reserved
11/18/2025 +78 days Advisory disclosed
11/18/2025 +0 days VulDB entry created
11/21/2025 +3 days VulDB entry last update

Sourcesinfo

Vendor: fortinet.com

Advisory: FG-IR-25-632
Status: Confirmed

CVE: CVE-2025-58413 (🔒)
GCVE (CVE): GCVE-0-2025-58413
GCVE (VulDB): GCVE-100-332827
EUVD: 🔒
CERT Bund: WID-SEC-2025-2624 - Fortinet FortiOS (CAPWAP daemon): Mehrere Schwachstellen ermöglichen Codeausführung

Entryinfo

Created: 11/18/2025 20:14
Updated: 11/21/2025 11:49
Changes: 11/18/2025 20:14 (62), 11/19/2025 05:34 (2), 11/19/2025 11:04 (7), 11/19/2025 14:03 (1), 11/21/2025 11:49 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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