CVE-2026-7668CWE-119CWE-125

MikroTik RouterOS SCEP Endpoint scep.p ASN1_STRING_data out-of-bounds

Medium · published May 2, 2026

CVSS v4.0
6.9
EPSS
0%
Percentile
41.8
In the wild
Unconfirmed
What it is

A vulnerability was identified in MikroTik RouterOS 6.49.8. This vulnerability affects the function ASN1_STRING_data in the library nova/lib/www/scep.p of the component SCEP Endpoint. The manipulation of the argument transactionID/messageType leads to out-of-bounds read. The attack may be initiated remotely. The exploit is publicly available and might be used. You should upgrade the affected component. The vendor recommends to "use the latest v6.x or 7.x MikroTik RouterOS version, the reported issue should be fixed there."

The record
Technical detail
CVSS v4.0
6.9 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
EPSS
0.00498 · 41.8th percentile
Weaknesses
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer; CWE-125 · Out-of-bounds Read
Published
2026-05-02T20:00Z
EPSS history
Timeline
  • 02 MAY 20:00Z
    MikroTik RouterOS SCEP Endpoint scep.p ASN1_STRING_data out-of-bounds
    cvelistv5