Arbitrary Command Injection Affecting pavel-odintsov/fastnetmon package, versions [,1.2.9)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published31 May 2026
- disclosed26 May 2026
- creditLorikeet Security
Introduced: 26 May 2026
NewCVE-2026-48694 (opens in a new tab)How to fix?
Upgrade pavel-odintsov/fastnetmon to version 1.2.9 or higher.
Overview
Affected versions of this package are vulnerable to Arbitrary Command Injection via the fastnetmon_juniper.php process. An attacker can execute arbitrary Juniper NETCONF configuration commands by supplying specially crafted input containing newline characters, which allows modification of the router's routing table, firewall filters, user accounts, or other configuration elements accessible via NETCONF.