The vulnerability in the WebFig web interface of the MikroTik RouterOS operating system allows a hacker to increase their privileges and gain unauthorized access to protected information.

The vulnerability in the WebFig web interface of the MikroTik RouterOS operating system is related to the use of an uninitialized pointer. Exploiting this vulnerability can allow a malicious actor to increase their privileges and gain unauthorized access to protected information...

MikroTik RouterOS 7.20 < 7.23.4 / 7.24.x < 7.24.2 WebFig Unauthenticated File Read (CVE-2026-67281)

According to its self-reported version, the remote networking device is running a version of MikroTik RouterOS 7.20 prior to 7.23.4, or 7.24.x prior to 7.24.2. It is, therefore, affected by an information disclosure vulnerability. RouterOS WebFig contains an unauthenticated file-read vulnerabilit...

CVE-2026-67281

RouterOS WebFig contains an unauthenticated file-read vulnerability in the /jsproxy path where a newly allocated session retains a stale uninitialized principal pointer used for file authorization. An unauthenticated attacker can prepare the allocator so that the file-serving path dereferences th...

CVE-2026-67281 Unauthenticated file read in Mikrotik RouterOS

RouterOS WebFig contains an unauthenticated file-read vulnerability in the /jsproxy path where a newly allocated session retains a stale uninitialized principal pointer used for file authorization. An unauthenticated attacker can prepare the allocator so that the file-serving path dereferences th...

CVE-2026-67281 Unauthenticated file read in Mikrotik RouterOS

RouterOS WebFig contains an unauthenticated file-read vulnerability in the /jsproxy path where a newly allocated session retains a stale uninitialized principal pointer used for file authorization. An unauthenticated attacker can prepare the allocator so that the file-serving path dereferences th...

EUVD-2026-72028

RouterOS WebFig contains an unauthenticated file-read vulnerability in the /jsproxy path where a newly allocated session retains a stale uninitialized principal pointer used for file authorization. An unauthenticated attacker can prepare the allocator so that the file-serving path dereferences th...

CVE-2026-67281

MikroTik RouterOS WebFig is affected by an unauthenticated file-read vulnerability in the /jsproxy path. The root cause is a stale uninitialized principal pointer retained by a newly allocated session, which an attacker can exploit by preparing the allocator and supplying parent-directory compone...

CVE-2026-67281: Access of Uninitialized Pointer

RouterOS WebFig contains an unauthenticated file-read vulnerability in the /jsproxy path where a newly allocated session retains a stale uninitialized principal pointer used for file authorization. An unauthenticated attacker can prepare the allocator so that the file-serving path dereferences th...

PT-2026-86455

Name of the Vulnerable Software and Affected Versions RouterOS versions prior to 6.49.21 RouterOS versions prior to 7.23.4 RouterOS versions prior to 7.24.2 Description WebFig contains an unauthenticated file-read issue in the '/jsproxy' endpoint. A newly allocated session retains a stale...

The vulnerability in the WebFig web interface of MikroTik RouterOS and SwitchOS allows a hacker to obtain authentication data.

The vulnerability of the WebFig web interface in MikroTik RouterOS and SwitchOS lies in the transmission of credentials in an unencrypted form. Exploiting this vulnerability allows a remote attacker to obtain authentication data by sending specially crafted HTTP requests...

CVE-2025-61481

An issue in MikroTik RouterOS v.7.14.2 and SwOS v.2.18 exposes the WebFig management interface over cleartext HTTP by default, allowing an on-path attacker to execute injected JavaScript in the administrator’s browser and intercept credentials...

EUVD-2025-36192

An issue in MikroTik RouterOS v.7.14.2 and SwitchOS v.2.18 allows a remote attacker to execute arbitrary code via the HTTP- only WebFig management component...

CVE-2025-61481

An issue in MikroTik RouterOS v.7.14.2 and SwOS v.2.18 exposes the WebFig management interface over cleartext HTTP by default, allowing an on-path attacker to execute injected JavaScript in the administrator’s browser and intercept credentials...

CVE-2025-61481

An issue in MikroTik RouterOS v.7.14.2 and SwOS v.2.18 exposes the WebFig management interface over cleartext HTTP by default, allowing an on-path attacker to execute injected JavaScript in the administrator’s browser and intercept credentials...

CVE-2025-61481: Exposure of Sensitive Information to an Unauthorized Actor

An issue in MikroTik RouterOS v.7.14.2 and SwOS v.2.18 exposes the WebFig management interface over cleartext HTTP by default, allowing an on-path attacker to execute injected JavaScript in the administrator’s browser and intercept credentials...

MikroTik RouterOS和MikroTik RouterOS 7 安全漏洞

MikroTik RouterOS and MikroTik RouterOS 7 are both products of the Latvian company MikroTik.MikroTik RouterOS is a router operating system developed on Linux. The system can be deployed in a PC to make it provide router functionality.MikroTik RouterOS 7 is an operating system... A security...

CVE-2025-61481

An issue in MikroTik RouterOS v.7.14.2 and SwOS v.2.18 exposes the WebFig management interface over cleartext HTTP by default. This configuration flaw allows an on-path attacker to intercept credentials or execute injected JavaScript in the administrator's browser. Furthermore, the vulnerability ...

CVE-2025-61481

An issue in MikroTik RouterOS v.7.14.2 and SwOS v.2.18 exposes the WebFig management interface over cleartext HTTP by default, allowing an on-path attacker to execute injected JavaScript in the administrator’s browser and intercept credentials...

PT-2025-43960

Name of the Vulnerable Software and Affected Versions MikroTik RouterOS version 7.14.2 MikroTik SwitchOS version 2.18 Description An issue exists in MikroTik RouterOS and SwitchOS where the WebFig management interface is exposed over cleartext HTTP by default. This allows a remote attacker to...

Thousands of MikroTik Routers Hacked to Eavesdrop On Network Traffic

Last month we reported about a widespread crypto-mining malware campaign that hijacked over 200,000 MikroTik routers using a previously disclosed vulnerability revealed in the CIA Vault 7 leaks. Now Chinese security researchers at Qihoo 360 Netlab have discovered that out of 370,000 potentially...