CVE-2026-25690

🔶 medium

Summary

An improper neutralization of argument delimiters in a command ('argument injection') vulnerability in Fortinet FortiDeceptor 6.0.0 through 6.0.2, FortiDeceptor 5.3.0 through 5.3.3, FortiDeceptor 5.2.0 through 5.2.1, FortiDeceptor 5.1 all versions, FortiDeceptor 5.0 all versions may allow an authenticated attacker with at least read-only admin permission to read log files via HTTP crafted requests.

CVSS Score

4.3

Medium

EPSS Score

0.1

Exploit Probability

Published Date

2026-05-12

First Seen: 2026-05-19

📊 Relative Risk Intelligence

This CVE is Lower Risk - more severe than 5.4% of all 321,566 vulnerabilities in our database.

#304,103

Below average severity

Severity Percentile

🎯 CISA SSVC Assessment Updated: May 12, 2026

🔍 Exploitation Status

None

No known exploits

⚙️ Automatable

Requires human interaction

💥 Technical Impact

Partial

Limited system impact

SSVC data provided by CISA

Last Modified 2026-05-18

Source NVD 🔗

CVSS Vector 3.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

CWE IDs (Weakness Types)

CWE-88

📦 Affected Products 5

Vendor	Product	Status	Affected Versions
fortinet	fortideceptor	Affected	> 5.0.0 < 5.1.0
fortinet	fortideceptor	Affected	> 5.3.0 < 5.3.3
fortinet	fortideceptor	Affected	> 6.0.0 < 6.0.2
fortinet	fortideceptor	Affected	v5.2.0
fortinet	fortideceptor	Affected	v5.2.1

🔗 References 1

https://fortiguard.fortinet.com/psirt/FG-IR-26-138

Vendor Advisory

🔗 Related CVEs 6

CVE ID	Severity	CVSS	EPSS	Summary	Published
CVE-2026-25689	🔶 medium	6.5	0.0	An improper neutralization of argument delimiters in a command ('argument injection') vulnerability in Fortinet FortiDec...	2026-03-10
CVE-2024-35280	🔶 medium	5.4	0.2	A improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Fortinet FortiDe...	2025-01-15
CVE-2024-45326	🔶 medium	4.3	0.1	An Improper Access Control vulnerability [CWE-284] vulnerability in Fortinet FortiDeceptor 6.0.0, FortiDeceptor 5.3 all...	2025-01-14
CVE-2022-27487	⚠️ high	8.8	1.0	A improper privilege management in Fortinet FortiSandbox version 4.2.0 through 4.2.2, 4.0.0 through 4.0.2 and before 3.2...	2023-04-11
CVE-2023-26209	ℹ️ low	3.7	7.3	A improper restriction of excessive authentication attempts vulnerability [CWE-307] in Fortinet FortiDeceptor 3.1.x and ...	2023-03-09
CVE-2022-30305	ℹ️ low	3.7	0.2	An insufficient logging [CWE-778] vulnerability in FortiSandbox versions 4.0.0 to 4.0.2, 3.2.0 to 3.2.3 and 3.1.0 to 3.1...	2022-12-06

These CVEs affect the same products