CVE-2026-37225: n/a
CVE-2026-37225 is a vulnerability in FlexRIC v2.0.0 where the iApp process crashes when it receives an E42_RIC_SUBSCRIPTION_REQUEST containing an empty ricEventTriggerDefinition field. This occurs due to a mismatch in validation between the E42 layer decoder, which accepts the empty field as valid, and the E2AP encoder, which requires it to be non-empty. A remote unauthenticated attacker can exploit this to cause a denial of service by crashing the iApp process via SIGABRT. The vulnerability has a high severity with a CVSS score of 7.5 and is categorized under CWE-617 (Reachable Assertion). No patch or official remediation guidance is currently available.
AI Analysis
Technical Summary
FlexRIC v2.0.0 contains a vulnerability where the iApp process (listening on port 36422) crashes upon receiving an E42_RIC_SUBSCRIPTION_REQUEST message with an empty ricEventTriggerDefinition field. The E42 layer decoder accepts this empty field as valid input, but the E2AP encoder asserts that this field must be non-empty, causing an assertion failure and process termination (SIGABRT). This cross-layer validation mismatch can be triggered remotely without authentication, leading to a denial of service condition. The vulnerability is tracked as CVE-2026-37225 with a CVSS 3.1 base score of 7.5 (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H). There are no known exploits in the wild and no vendor patch or official remediation has been documented yet.
Potential Impact
A remote unauthenticated attacker can cause the FlexRIC iApp process to crash, resulting in a denial of service. The crash occurs due to an assertion failure triggered by a malformed E42_RIC_SUBSCRIPTION_REQUEST message with an empty ricEventTriggerDefinition field. There is no impact on confidentiality or integrity reported, only availability is affected.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, consider implementing network-level protections such as filtering or rate limiting traffic to port 36422 to reduce exposure. Monitor for unusual crashes of the iApp process and restart services as needed.
CVE-2026-37225: n/a
Description
CVE-2026-37225 is a vulnerability in FlexRIC v2.0.0 where the iApp process crashes when it receives an E42_RIC_SUBSCRIPTION_REQUEST containing an empty ricEventTriggerDefinition field. This occurs due to a mismatch in validation between the E42 layer decoder, which accepts the empty field as valid, and the E2AP encoder, which requires it to be non-empty. A remote unauthenticated attacker can exploit this to cause a denial of service by crashing the iApp process via SIGABRT. The vulnerability has a high severity with a CVSS score of 7.5 and is categorized under CWE-617 (Reachable Assertion). No patch or official remediation guidance is currently available.
CVSS v3.1
Score 7.5high
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
FlexRIC v2.0.0 contains a vulnerability where the iApp process (listening on port 36422) crashes upon receiving an E42_RIC_SUBSCRIPTION_REQUEST message with an empty ricEventTriggerDefinition field. The E42 layer decoder accepts this empty field as valid input, but the E2AP encoder asserts that this field must be non-empty, causing an assertion failure and process termination (SIGABRT). This cross-layer validation mismatch can be triggered remotely without authentication, leading to a denial of service condition. The vulnerability is tracked as CVE-2026-37225 with a CVSS 3.1 base score of 7.5 (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H). There are no known exploits in the wild and no vendor patch or official remediation has been documented yet.
Potential Impact
A remote unauthenticated attacker can cause the FlexRIC iApp process to crash, resulting in a denial of service. The crash occurs due to an assertion failure triggered by a malformed E42_RIC_SUBSCRIPTION_REQUEST message with an empty ricEventTriggerDefinition field. There is no impact on confidentiality or integrity reported, only availability is affected.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, consider implementing network-level protections such as filtering or rate limiting traffic to port 36422 to reduce exposure. Monitor for unusual crashes of the iApp process and restart services as needed.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mitre
- Date Reserved
- 2026-04-06T00:00:00.000Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a1dbba1e29bf47b501c5765
Added to database: 06/01/2026, 17:04:33 UTC
Last enriched: 06/08/2026, 21:06:35 UTC
Last updated: 07/31/2026, 19:22:58 UTC
Views: 43
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