AUGUST 4, 2026
Live Feed
Back to database
Case File

CVE-2019-3978

HIGH · CVSS 7.5 EPSS 10.27% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2019-10-29 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.5. Public exploit code or proof-of-concept references have been detected in its references. Its EPSS score suggests a 10.3% probability of exploitation in the next 30 days. It may be remotely exploitable. Exploitation may require the attacker to be authenticated.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

External Security References

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2019-3978
Severity
HIGH
CVSS
7.5
EPSS
10.27%

Original NVD Description

RouterOS versions 6.45.6 Stable, 6.44.5 Long-term, and below allow remote unauthenticated attackers to trigger DNS queries via port 8291. The queries are sent from the router to a server of the attacker's choice. The DNS responses are cached by the router, potentially resulting in cache poisoning

Related CVEs

Other vulnerabilities affecting the same vendor(s)