CVE-2026-7668

HIGH

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

Title source: cna
STIX 2.1

Description

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."

References (4)

Core 4
Core References
Vdb Entry, Technical Description vdb-entry technical-description
VDB-360804 | MikroTik RouterOS SCEP Endpoint scep.p ASN1_STRING_data out-of-bounds
https://vuldb.com/vuln/360804
Signature, Permissions Required signature permissions-required
VDB-360804 | CTI Indicators (IOB, IOC, IOA)
https://vuldb.com/vuln/360804/cti
Third Party Advisory third-party-advisory
Submit #798623 | MikroTik RouterOS 6.49.8 Out-of-Bounds Read
https://vuldb.com/submit/798623
Exploit exploit issue-tracking
https://github.com/ezio315/cve/issues/4

Scores

CVSS v3 7.3
EPSS 0.0030
EPSS Percentile 21.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-119 CWE-125
Status published
Products (1)
MikroTik/RouterOS 6.49.8
Published May 02, 2026
Tracked Since May 03, 2026