A use of externally-controlled format string vulnerability [CWE-134] in FortiOS version 7.4.0 through 7.4.4, …
- Severity
- High7.2CVSS 3.1, High
- Known exploited
- Not listed
- Exploit prediction
- 0.72%
- Published
- 11 Mar 2025Updated 17 Jun 2026 · Last verified 29 Sept 2026
Known remediation
Fixed releases per branch, as the vendor states them. Patcharo never infers a fix.
Fortinet FortiWeb
Vendor advisory- 7.6No fix published
- 7.4Fixed after 7.4.5
- 7.2Fixed after 7.2.10
- 7.0Fixed after 7.0.10
Fortinet FortiProxy
Vendor advisory- 7.6No fix published
- 7.4Fixed after 7.4.6
- 7.2Fixed after 7.2.12
- 7.0Fixed after 7.0.19
Fortinet FortiOS
Vendor advisory- 7.4Fixed after 7.4.4
- 7.2Fixed after 7.2.9
- 7.0Fixed after 7.0.15
- 6.4Fixed after 6.4.15
- 6.2Fixed after 6.2.16
Workaround / Vendor remediation
Vendor remediation · FortiWeb
Upgrade to FortiPAM version 1.5.0 or above Upgrade to FortiPAM version 1.4.3 or above Upgrade to upcoming FortiPAM version 1.3.2 or above Upgrade to FortiProxy version 7.6.1 or above Upgrade to FortiProxy version 7.4.7 or above Upgrade to FortiProxy version 7.2.13 or above Upgrade to FortiProxy version 7.0.20 or above Upgrade to FortiOS version 7.6.0 or above Upgrade to FortiOS version 7.4.5 or above Upgrade to FortiOS version 7.2.10 or above Upgrade to FortiOS version 7.0.16 or above Upgrade to FortiOS version 6.4.16 or above Upgrade to FortiOS version 6.2.17 or above Upgrade to upcoming FortiAuthenticator version 7.0.0 or above Upgrade to FortiWeb version 7.6.1 or above Upgrade to FortiWeb version 7.4.6 or above Upgrade to FortiWeb version 7.2.11 or above Upgrade to FortiWeb version 7.0.11 or above Fortinet remediated this issue in FortiSASE version 24.4.b1 and hence customers do not …
Vendor remediation · FortiProxy
Upgrade to FortiPAM version 1.5.0 or above Upgrade to FortiPAM version 1.4.3 or above Upgrade to upcoming FortiPAM version 1.3.2 or above Upgrade to FortiProxy version 7.6.1 or above Upgrade to FortiProxy version 7.4.7 or above Upgrade to FortiProxy version 7.2.13 or above Upgrade to FortiProxy version 7.0.20 or above Upgrade to FortiOS version 7.6.0 or above Upgrade to FortiOS version 7.4.5 or above Upgrade to FortiOS version 7.2.10 or above Upgrade to FortiOS version 7.0.16 or above Upgrade to FortiOS version 6.4.16 or above Upgrade to FortiOS version 6.2.17 or above Upgrade to upcoming FortiAuthenticator version 7.0.0 or above Upgrade to FortiWeb version 7.6.1 or above Upgrade to FortiWeb version 7.4.6 or above Upgrade to FortiWeb version 7.2.11 or above Upgrade to FortiWeb version 7.0.11 or above Fortinet remediated this issue in FortiSASE version 24.4.b1 and hence customers do not …
Vendor remediation · FortiOS
Upgrade to FortiPAM version 1.5.0 or above Upgrade to FortiPAM version 1.4.3 or above Upgrade to upcoming FortiPAM version 1.3.2 or above Upgrade to FortiProxy version 7.6.1 or above Upgrade to FortiProxy version 7.4.7 or above Upgrade to FortiProxy version 7.2.13 or above Upgrade to FortiProxy version 7.0.20 or above Upgrade to FortiOS version 7.6.0 or above Upgrade to FortiOS version 7.4.5 or above Upgrade to FortiOS version 7.2.10 or above Upgrade to FortiOS version 7.0.16 or above Upgrade to FortiOS version 6.4.16 or above Upgrade to FortiOS version 6.2.17 or above Upgrade to upcoming FortiAuthenticator version 7.0.0 or above Upgrade to FortiWeb version 7.6.1 or above Upgrade to FortiWeb version 7.4.6 or above Upgrade to FortiWeb version 7.2.11 or above Upgrade to FortiWeb version 7.0.11 or above Fortinet remediated this issue in FortiSASE version 24.4.b1 and hence customers do not …
Description
Title, description and vendor guidance are quoted from the source records.
A use of externally-controlled format string vulnerability [CWE-134] in FortiOS version 7.4.0 through 7.4.4, version 7.2.0 through 7.2.9, version 7.0.0 through 7.0.15 and before 6.4.15, FortiProxy version 7.4.0 through 7.4.6, version 7.2.0 through 7.2.12 and before 7.0.19, FortiPAM version 1.4.0 through 1.4.2 and before 1.3.1, FortiSRA version 1.4.0 through 1.4.2 and before 1.3.1 and FortiWeb version 7.4.0 through 7.4.5, version 7.2.0 through 7.2.10 and before 7.0.10 allows a privileged attacker to execute unauthorized code or commands via specially crafted HTTP or HTTPS commands.
Weakness: CWE-134
Known exploited
Not listed in CISA KEV as of the last check.
Exploit prediction
0.72% probability of exploitation in the next 30 days (percentile 52%).
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
What the source states, per branch
Versions matched by Patcharo
Fortinet FortiWebSource: Fortinet (CVE record)
| Branch | Affected | Fixed in |
|---|---|---|
| 7.6 | Exact releases: 7.6.0 | |
| 7.4 | 7.4.0 – 7.4.5 | Fixed after 7.4.5 |
| 7.2 | 7.2.0 – 7.2.10 | Fixed after 7.2.10 |
| 7.0 | 7.0.0 – 7.0.10 | Fixed after 7.0.10 |
Versions not listed are stated unaffected by the vendor.
Fortinet FortiProxySource: Fortinet (CVE record)
| Branch | Affected | Fixed in |
|---|---|---|
| 7.6 | Exact releases: 7.6.0 | |
| 7.4 | 7.4.0 – 7.4.6 | Fixed after 7.4.6 |
| 7.2 | 7.2.0 – 7.2.12 | Fixed after 7.2.12 |
| 7.0 | 7.0.0 – 7.0.19 | Fixed after 7.0.19 |
Versions not listed are stated unaffected by the vendor.
Fortinet FortiOSSource: Fortinet (CVE record)
| Branch | Affected | Fixed in |
|---|---|---|
| 7.4 | 7.4.0 – 7.4.4 | Fixed after 7.4.4 |
| 7.2 | 7.2.0 – 7.2.9 | Fixed after 7.2.9 |
| 7.0 | 7.0.0 – 7.0.15 | Fixed after 7.0.15 |
| 6.4 | 6.4.0 – 6.4.15 | Fixed after 6.4.15 |
| 6.2 | 6.2.0 – 6.2.16 | Fixed after 6.2.16 |
Versions not listed are stated unaffected by the vendor.
Affected products
- Fortinet FortiPAM · 1.4.0 ≤ 1.4.2, 1.3.0 ≤ 1.3.1, 1.2.0, 1.1.0 ≤ 1.1.2, 1.0.0 ≤ 1.0.3
- Fortinet FortiSRA · 1.4.0 ≤ 1.4.2
References
Provenance
Every fact on this page comes from the sources below. Nothing is written by an AI.
- Fortinet (CVE record)
- Fortinet (CVE record) · 29 Sept 2026 at 00:17 UTC · Parser patcharo-cve5/1.1.0
- NVD
- NVD · 27 Sept 2026 at 23:44 UTC · Parser patcharo-nvd/1.0.0
- FIRST EPSS
- FIRST EPSS · 30 Sept 2026 at 00:17 UTC · Parser patcharo-epss/1.0.0
Last verified: 29 Sept 2026 at 00:17 UTC