CVE-2022-26112
Java vulnerability analysis and mitigation

Overview

Multiple stack-based buffer overflow vulnerabilities [CWE-121] were identified in FortiWAN before version 4.5.9, affecting both network daemons and the command line interpreter. The vulnerability was internally discovered by Giuseppe Cocomazzi of the Fortinet Product Security team and was published on April 5, 2022 (Fortiguard PSIRT, CVE Mitre).

Technical details

The vulnerability has been assigned a High severity rating with a CVSSv3 score of 7.7. The issue stems from stack-based buffer overflow vulnerabilities that affect both network daemons and the command line interpreter components of FortiWAN version 4.5.8 and below (Fortiguard PSIRT).

Impact

If successfully exploited, this vulnerability allows an unauthenticated attacker to potentially corrupt control data in memory and execute arbitrary code via specifically crafted requests (Fortiguard PSIRT).

Mitigation and workarounds

Fortinet has addressed this vulnerability by releasing FortiWAN version 4.5.9. Users are advised to upgrade to this version to mitigate the risk (Fortiguard PSIRT).

Additional resources


SourceThis report was generated using AI

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