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Attackers Hijack MikroTik Routers Through Internet-Exposed SSH Without Authentication

CERT Polska warns attackers exploit internet-exposed MikroTik SSH for unauthenticated full admin control; attacks observed since at least September 2.

CERT Polska warned on September 5 that attackers exploit MikroTik routers with internet-reachable SSH to gain full administrative control without authentication, calling the two-flaw combination 'MikroTrick'. Successful attacks date to at least September 2; no victim count or attacker identity was disclosed. MikroTik shipped fixed RouterOS releases: 6.49.21, 7.23.4 (with 7.23.5 fixing an IPv6 DHCP regression), 7.24.2, and 7.25beta3. CERT recommends immediate updates, checking for unauthorized configuration changes, and restricting SSH, WWW/WWW-SSL, and bandwidth-test services on unpatched devices.

The Hacker News · 10d agoExploit / PoC in the wild

CISA Warns of Microsoft SQL Server RCE Vulnerability Exploited in Attacks

CISA warns attackers are exploiting CVE-2019-1068, a remote code execution vulnerability in Microsoft SQL Server, to run malicious commands on database servers.

CISA warned that CVE-2019-1068, a remote code execution vulnerability in Microsoft SQL Server, is being exploited in active attacks. Successful exploitation allows an attacker to execute malicious commands on a vulnerable database server, with access limited to the privileges of the SQL Server service account. The warning signals active exploitation of a long-known flaw and makes patching a priority for organizations running affected SQL Server deployments.

CISA Warns of Zimbra OS Command Injection Vulnerability Active Exploitation (CVE-2026-73570)

CISA added actively exploited Zimbra OS command injection flaw CVE-2026-73570 to its KEV catalog, urging users to patch by August 24, 2026.

CISA warned that Zimbra vulnerability CVE-2026-73570 is being actively exploited in the wild and added it to its Known Exploited Vulnerabilities Catalog. The OS command injection flaw resides in the SNMP monitoring component and is exploitable when SNMP notifications are enabled. Users, including US federal agencies subject to BOD deadlines, were urged to apply fixes before the August 24, 2026 deadline. Qualys ThreatPROTECT published tracking coverage of the KEV addition.

Qualys ThreatPROTECT · 22d agoExploit / PoC in the wildCVE-2026-73570