CVE-2026-37222Network attack vector

Remote service crash via E2AP IE count assertions

Published Jun 1, 2026 · Updated Jun 1, 2026

Reachable assertions in EURECOM FlexRIC 2.0.0 allow remote attackers to crash the near-RT RIC or iApp with a crafted E2AP PDU. The e2ap_dec_setup_request() decoder asserts an exact Information Element count instead of validating protocol-permitted ranges and rejecting unexpected optional fields. No authentication or user interaction is required; an SCTP message to port 36421 or 36422 terminates the target process with SIGABRT, interrupting its service.

CVSS severity7.5
High
EPSS probability0.43%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Reachable assertions in EURECOM FlexRIC 2.0.0 allow remote attackers to crash the near-RT RIC or iApp with a crafted E2AP PDU. The e2ap_dec_setup_request() decoder asserts an exact Information Element count instead of validating protocol-permitted ranges and rejecting unexpected optional fields. No authentication or user interaction is required; an SCTP message to port 36421 or 36422 terminates the target process with SIGABRT, interrupting its service.

The record

CVE
CVE-2026-37222
Published
Jun 1, 2026
Updated
Jun 1, 2026
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-617, T1499.004
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 1, 2026CVE publishedPublication date reported by the CVE source.
  2. Jun 1, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

7.5CVE-2026-37222 advisory authorsCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-617Reachable Assertion
T1499.004Application or System Exploitation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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