Status: NEW | Advisory ID: CVE-2026-39042
| CVE | CVE-2026-39042 |
| CVSS Score / Version | 7.5 (High) / CVSS v3.1 |
| Updated | 2026-07-15 |
| CVSS Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| CVSS Prose | attack vector is network; attack complexity is low; privileges required is none; user interaction is none; scope is unchanged; confidentiality impact is none; integrity impact is none; availability impact is high. |
| Classified as | CWE-190 (Integer Overflow or Wraparound) |
An issue in MikroTIk (SIA Mikrotikls, Latvia) RouterOS 7.21.x before v.7.21.4 and 7.22.x before v.7.22.2 allows a remote attacker to cause a denial of service via the unflatten() function in libumsg.so.
| Source | Reference |
|---|---|
| NVD | https://nvd.nist.gov/vuln/detail/CVE-2026-39042 |
| CVE | https://www.cve.org/CVERecord?id=CVE-2026-39042 |