CVE-2026-48694_CVE-2026-48694

8.1 / 10

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Description

FastNetMon Community Edition through 1.2.9 contains a configuration injection vulnerability in the Juniper router integration plugin. In src/juniper_plugin/fastnetmon_juniper.php, the $IP_ATTACK variable (received from argv[1]) is directly interpolated into Juniper NETCONF set-configuration commands at lines 69 and 90 without any validation or sanitization. Line 69: $conn->load_set_configuration("set routing-options static route {$IP_ATTACK} community 65535:666 discard"). Line 90: $conn->load_set_configuration("delete routing-options static route {$IP_ATTACK}/32"). An attacker who can control the IP address string can inject additional Juniper CLI configuration commands by embedding newline characters followed by arbitrary set/delete commands. This could modify the router's routing table, firewall filters, user accounts, or any other configuration element accessible via NETCONF. The impact is full router compromise.

Basic Information

ID CVE-2026-48694

Source mitre

Published May 26, 2026 at 00:00

Modified May 26, 2026 at 20:27

Affected Product

Vendor n/a

Product n/a

Version n/a

Affected Versions n/a n/a n/a

CWE Classification

CWE-78

References

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    "published": "2026-05-26T00:00:00.000Z",
    "modified": "2026-05-26T20:27:50.669Z",
    "type": "cve",
    "title": "CVE-2026-48694",
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    "references": "https://github.com/pavel-odintsov/fastnetmon\nhttps://lorikeetsecurity.com/blog/fastnetmon-cve-2026-48694-juniper-netconf-injection",
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