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CVE-2026-7668

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

Published: May 2, 2026Updated: May 20, 2026 Sources: CVE List NVDCWE-119
NVD MITRE
7.3CVSSHIGH
EPSS Score
0.3%
Top 78.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

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."

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:LI:LA:L
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:LAvailability
Low
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Weaknesses

CWE-119CWE-125

Affected Products

RouterOSMikroTik
On-premNetwork Device
Networking Infrastructure / router-switch
mikrotikcommercialLVNetworking Infrastructureaka routeros, winbox

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

MITRE ATT&CK

3 techniques
Collection
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://vuldb.com/vuln/360804
vuldb.com
https://vuldb.com/vuln/360804/cti
vuldb.com
https://vuldb.com/submit/798623
vuldb.com
and 1 more references View all →

Timeline

Published
May 2, 2026
Last Updated
May 20, 2026

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