Is CVE-2025-54820 actively exploited?

No active exploitation of CVE-2025-54820 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2025-54820 be exploited remotely?

Yes. CVE-2025-54820 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2025-54820?

CVE-2025-54820 has a CVSS score of 8.1 (HIGH).

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HIGH

CVE-2025-54820

CWE-121Published: March 10, 2026· Updated: Mar 12, 2026

8.1

CVSS v3.1

EPSS:0.04%probability of exploitation in 30 daysPercentile:12.2th

Official Description

A Stack-based Buffer Overflow vulnerability [CWE-121] vulnerability in Fortinet FortiManager 7.4.0 through 7.4.2, FortiManager 7.2.0 through 7.2.10, FortiManager 6.4 all versions may allow a remote unauthenticated attacker to execute unauthorized commands via crafted requests, if the service is enabled. The success of the attack depends on the ability to bypass the stack protection mechanisms.

NVD Source

Technical Analysis

CVE-2025-54820 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.1.