CVE-2019-3924
MikroTik RouterOS before 6.43.12 (stable) and 6.42.12 (long-term) is vulnerable to an intermediary vulnerability.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 15.7%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.
Description
MikroTik RouterOS before 6.43.12 (stable) and 6.42.12 (long-term) is vulnerable to an intermediary vulnerability. The software will execute user defined network requests to both WAN and LAN clients. A remote unauthenticated attacker can use this vulnerability to bypass the router's firewall or for general network scanning activities.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 15.70% probability · 97th percentile
- Public exploits
- 1 in Exploit-DB · verified · first 21 February 2019
- CISA KEV
- Not listed
- Weakness
- CWE-441
- Affected
- mikrotik/routeros
- Source
- vulnreport@tenable.com
EPSS 15.7% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://www.securityfocus.com/bid/107177Third Party Advisory, VDB Entry
- https://www.exploit-db.com/exploits/46444/Exploit, Third Party Advisory, VDB Entry
- https://www.tenable.com/security/research/tra-2019-07Exploit, Third Party Advisory
- http://www.securityfocus.com/bid/107177Third Party Advisory, VDB Entry
- https://www.exploit-db.com/exploits/46444/Exploit, Third Party Advisory, VDB Entry
- https://www.tenable.com/security/research/tra-2019-07Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.