CVE-2026-7668

HIGH 7.3

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

CVSS Score

7.3

EPSS Score

0.0%

EPSS Percentile

0th

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. The vendor was contacted early about this disclosure but did not respond in any way.

CWE	CWE-125 CWE-119
Vendor	mikrotik
Product	routeros
Published	May 2, 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:W/RC:R

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