Fortinet FortiOS up to 7.2.11/7.4.7/7.6.1 cw_stad Daemon heap-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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5.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Fortinet FortiOS up to 7.2.11/7.4.7/7.6.1. It has been classified as critical. This affects an unknown function of the component cw_stad Daemon. Performing a manipulation results in heap-based overflow. This vulnerability is identified as CVE-2025-24477. The attack is only possible with local access. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Fortinet FortiOS up to 7.2.11/7.4.7/7.6.1. It has been classified as critical. This affects an unknown code block of the component cw_stad Daemon. The manipulation with an unknown input leads to a heap-based overflow vulnerability. CWE is classifying the issue as CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

A heap-based buffer overflow vulnerability in Fortinet FortiOS 7.6.0 through 7.6.2, FortiOS 7.4.0 through 7.4.7, FortiOS 7.2.4 through 7.2.12 allows an attacker to escalate its privileges via a specially crafted CLI command

It is possible to read the advisory at fortiguard.com. This vulnerability is uniquely identified as CVE-2025-24477 since 01/21/2025. The exploitability is told to be easy. Attacking locally is a requirement. The exploitation needs additional levels of successful authentication. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 241567 (Fortinet Fortigate Heap-based buffer overflow in cw_stad daemon (FG-IR-25-026)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 7.2.12, 7.4.8 or 7.6.3 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (241567) and EUVD (EUVD-2025-21420). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 5.0

VulDB Base Score: 4.2
VulDB Temp Score: 4.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 6.7
NVD Vector: 🔒

CNA Base Score: 4.2
CNA Vector: 🔒

CVSSv2info

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

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 241567
Nessus Name: Fortinet Fortigate Heap-based buffer overflow in cw_stad daemon (FG-IR-25-026)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: FortiOS 7.2.12/7.4.8/7.6.3

Timelineinfo

01/21/2025 CVE reserved
07/08/2025 +167 days Advisory disclosed
07/08/2025 +0 days VulDB entry created
02/10/2026 +217 days VulDB entry last update

Sourcesinfo

Vendor: fortinet.com

Advisory: FG-IR-25-026
Status: Confirmed

CVE: CVE-2025-24477 (🔒)
GCVE (CVE): GCVE-0-2025-24477
GCVE (VulDB): GCVE-100-315411
EUVD: 🔒

Entryinfo

Created: 07/08/2025 17:29
Updated: 02/10/2026 09:37
Changes: 07/08/2025 17:29 (55), 07/09/2025 07:38 (2), 07/15/2025 13:36 (11), 07/15/2025 13:58 (1), 07/15/2025 14:25 (1), 07/19/2025 01:05 (11), 11/03/2025 10:29 (1), 02/10/2026 09:37 (1)
Complete: 🔍
Cache ID: 216::103

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

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