CVE-2024-27686

CVSS 7.5 HIGHEPSS 0.6%CWE-400

Vexday Risk Score

41Attention

SSVC decision (CISA)

Attend

PoC available → attend closely

CVSS 7.5EPSS 0.6%KEV nãoPoC públicaNuclei —Metasploit —Patch —

Lifecycle

26 Jul 2025Public PoC

08 May 2026Published on NVD

Recommendation: Plan a near-term fix — a public PoC already exists.

Mikrotik RouterOS (x86) 6.40.5 through 6.49.10 (fixed in 7) allows a remote attacker to cause a denial of service (device crash) via crafted packet data to the SMB service on TCP port 445.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

n/a · n/a

public PoCs found — 2

githubgithub.com/ThemeHackers/CVE-2024-27686★ 3 cve_referencewww.exploit-db.com/exploits/51931unverified

⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

References

https://github.com/ice-wzl/RouterOS-SMB-DOS-POC https://www.exploit-db.com/exploits/51931