CVE-2023-30799: critical vulnerability in MikroTik RouterOS
MikroTik RouterOS Administrator Privilege Escalation
Published · Updated
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70Vexday Risk Score
Prioritize patching. It exploitation observed by VulnCheck and has a public proof of concept.
ssvc Actcvss 9.1epss 1.4%
from disclosure to weaponsame day
Published on NVDJul 19
1st PoCJun 19
VulnCheck+427d
MikroTik RouterOS stable before 6.49.7 and long-term through 6.48.6 are vulnerable to a privilege escalation issue. A remote and authenticated attacker can escalate privileges from admin to super-admin on the Winbox or HTTP interface. The attacker can abuse this vulnerability to execute arbitrary code on the system.
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Affected products
MikroTik · RouterOSpublic PoCs found — 3
githubgithub.com/alzeer711/MikroTik-RouterOS-6.49.18-Exploit-Kit★ 1cve_referencegithub.com/MarginResearch/FOIStedunverifiedvulncheckvulncheck.com/xdb/b760d4ea33e5unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Related CVEs — MikroTik RouterOS
In the same product, most dangerous first.
CVE-2019-3943—CVE-2019-3943EPSS 3.7%CVE-2023-30800HIGHMikroTik RouterOS Web Interface Heap CorruptionEPSS 1.7%CVE-2025-10948HIGHMikroTik RouterOS libjson.so print parse_json_element buffer overflowEPSS 1.0%CVE-2026-84411CRITICALMikroTik RouterOS Integer UnderflowEPSS 0.9%CVE-2025-6563MEDIUMCross-site scripting via dst parameter in RouterOS WiFi hotspotEPSS 0.7%CVE-2026-89028HIGHMikroTik RouterOS < 7.24 Heap Corruption via SMB1 SessionSetupAndXEPSS 0.6%