CVE-2025-61616Network attack vector

Unauthenticated modem crash via improper input validation

Published Mar 9, 2026 · Updated Mar 9, 2026

Improper input validation in Unisoc NR modems for Android 13, 14, 15, and 16 allows remote attackers to crash the modem system. The modem accepts improperly validated network input, but Unisoc has not disclosed the affected parser, message type, or failing validation operation. No authentication, privileges, or user interaction is required, and the reported consequence is limited to a modem system crash and resulting service interruption.

CVSS severity7.5
High
EPSS probability0.31%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper input validation in Unisoc NR modems for Android 13, 14, 15, and 16 allows remote attackers to crash the modem system. The modem accepts improperly validated network input, but Unisoc has not disclosed the affected parser, message type, or failing validation operation. No authentication, privileges, or user interaction is required, and the reported consequence is limited to a modem system crash and resulting service interruption.

The record

CVE
CVE-2025-61616
Published
Mar 9, 2026
Updated
Mar 9, 2026
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-20, T1499
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 9, 2026CVE publishedPublication date reported by the CVE source.
  2. Mar 9, 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

7.5UnisocCVSS: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-20Improper Input Validation
T1499Endpoint Denial of Service

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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