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Format String Privilege Escalation in FortiAnalyzer/FortiManager fazsvcd API

IdentifiersCVE-2025-68648CWE-134· Use of Externally-Controlled…

CVE-2025-68648 is a use of externally-controlled format string vulnerability in Fortinet FortiAnalyzer, FortiAnalyzer Cloud, FortiManager, and FortiManager Cloud. According to the provided content, the flaw is present in the fazsvcd component and is exposed via the API. Affected versions include FortiAnalyzer 7.6.0 through 7.6.4, 7.4.0 through 7.4.7, all 7.2 versions, and all 7.0 versions; the same version ranges are listed for FortiAnalyzer Cloud, FortiManager, and FortiManager Cloud. The vulnerability allows attacker-controlled input to be used as a format string in a sensitive code path, which can lead to unintended memory access or unsafe processing and ultimately enable privilege escalation through specially crafted requests.

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ANALYST BRIEF

Impact, mitigation & remediation

What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.

Impact

What an attacker gets, and what they’ve been doing with it.

Successful exploitation may allow an attacker to escalate privileges on the affected Fortinet management platform. Given the nature of a format string flaw in an API-reachable service component, the impact can include unauthorized access to higher-privileged functionality within the appliance or management plane, potentially enabling broader administrative control over the affected FortiAnalyzer or FortiManager instance.

Mitigation

If you can’t patch tonight, do this now.

Until patches can be applied, reduce exposure of the affected API surface by restricting network access to management interfaces and API endpoints to trusted administrative hosts only, disabling or limiting unnecessary API access where operationally possible, and closely monitoring logs for anomalous or malformed requests targeting fazsvcd or related API functionality. Additional hardening should include minimizing the number of accounts able to reach the management plane and segmenting administrative access paths.

Remediation

Patch, then assume compromise.

Upgrade affected FortiAnalyzer, FortiAnalyzer Cloud, FortiManager, and FortiManager Cloud deployments to a vendor-fixed release as provided by Fortinet. Administrators should review the FortiGuard PSIRT advisory for CVE-2025-68648 / FG-IR-26-092 and move off all affected versions, including 7.6.0-7.6.4, 7.4.0-7.4.7, and all 7.2/7.0 releases listed in the advisory.
PUBLIC EXPLOITS

Exploits

No public exploits tracked yet. Mallory keeps watching.

VALID 0 / 0 TOTALView more in app

No public exploit code observed for this vulnerability.

EXPOSURE SURFACE

Affected products & vendors

Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.

VendorProductType
FortinetFortianalyzeroperating_system
FortinetFortianalyzer Cloudapplication
FortinetFortianalyzercloudapplication
FortinetFortimanageroperating_system
FortinetFortimanager Cloudapplication
FortinetFortimanagercloudapplication

Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.

ACTIVITY FEED

Recent activity

3 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.

3 SOURCESView more in app
What this page doesn’t show

The version that knows your environment.

This page is what’s public. Mallory adds the parts that aren’t: which of your assets are affected, which adversaries are exploiting it right now, which detections to deploy, and what to do tonight.
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Exposure mapping

Query your assets running an affected version, and investigate the blast radius.

Threat actor evidence

Every observed campaign linking this CVE to a named adversary.

Associated malware

Malware families riding this exploit, with evidence and IOCs.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Vendor-by-vendor mapping

Cross-references every affected SKU, including bundled OEM variants.

Social activity2

Community discussion across Reddit, Mastodon, and other social sources.

EXTERNAL REFERENCES
MITRE CVE
cve.org · CVE-2025-68648
NVD
nvd.nist.gov/vuln/detail/CVE-2025-68648
MITRE CWE · CWE-134
Use of Externally-Controlled Format String
Vendor Advisory
fortiguard.fortinet.com/psirt/FG-IR-26-092