FlexRIC 2.0.0 Subscription assert denial of service

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in FlexRIC 2.0.0. This affects the function assert of the component Subscription Handler. The manipulation leads to denial of service. This vulnerability is documented as CVE-2026-37226. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in FlexRIC 2.0.0. It has been rated as problematic. This issue affects the function assert of the component Subscription Handler. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. The summary by CVE is:

FlexRIC v2.0.0 crashes when the iApp receives an E42_RIC_SUBSCRIPTION_REQUEST referencing a non-existent E2 Node. The lookup function returns NULL, which is enforced by assert() in Debug builds (SIGABRT) and dereferenced in Release builds (SIGSEGV). A remote unauthenticated attacker can crash the iApp process (port 36422) by sending a subscription request with an arbitrary global_e2_node_id.

The advisory is shared at gitlab.eurecom.fr. The identification of this vulnerability is CVE-2026-37226 since 04/06/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

ADP CISA Base Score: 7.5
ADP CISA Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

04/06/2026 CVE reserved
06/01/2026 +56 days Advisory disclosed
06/01/2026 +0 days VulDB entry created
06/07/2026 +6 days VulDB entry last update

Sourcesinfo

Advisory: gitlab.eurecom.fr
Status: Confirmed

CVE: CVE-2026-37226 (🔒)
GCVE (CVE): GCVE-0-2026-37226
GCVE (VulDB): GCVE-100-367721

Entryinfo

Created: 06/01/2026 21:40
Updated: 06/07/2026 16:03
Changes: 06/01/2026 21:40 (53), 06/07/2026 16:03 (11)
Complete: 🔍
Cache ID: 216::103

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