CVE-2026-7668

HIGH 7.3

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

CVSS Score

7.3

EPSS Score

0.1%

EPSS Percentile

16th

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."

CWE	CWE-125 CWE-119
Vendor	mikrotik
Product	routeros
Published	May 2, 2026
Last Updated	May 20, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

MikroTik / RouterOS

6.49.8

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/360804 vuldb.com: https://vuldb.com/vuln/360804/cti vuldb.com: https://vuldb.com/submit/798623 github.com: https://github.com/ezio315/cve/issues/4

Credits

VulDB CNA Team