CVE-2017-6444

HIGH
7.5
CVSS Score
Published: March 12, 2017 at 04:57 AM UTC
Updated: June 17, 2026 at 01:22 AM UTC
2 products affected across 1 vendorRouterOSRouter Hap Lite

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Severity
HIGH7.5
Exploit prediction
EPSS 13%

Description

The MikroTik Router hAP Lite 6.25 has no protection mechanism for unsolicited TCP ACK packets in the case of a fast network connection, which allows remote attackers to cause a denial of service (CPU consumption) by sending many ACK packets. After the attacker stops the exploit, the CPU usage is 100% and the router requires a reboot for normal operation.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

mikrotik-router-hap-lite (same device)
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (4)

x_refsource_MISCExploitThird Party Advisory
http://www.exploitalert.com/view-details.html?id=26137
x_refsource_MISCExploitThird Party Advisory
https://cxsecurity.com/issue/WLB-2017030029
Exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry
https://www.exploit-db.com/exploits/41601/

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-400

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