What is the CVSS score of CVE-2025-61611?

CVE-2025-61611 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.3%.

How to fix or mitigate CVE-2025-61611?

Within 24 hours: Inventory all modems in production and identify which models are affected by CVE-2025-61611; document current firmware versions and assess business criticality. Within 7 days: Implement network segmentation to isolate modem management interfaces and restrict inbound traffic to essential ports only; establish 24/7 monitoring for DoS attack patterns. Within 30 days: Contact modem vendors for patch availability and deployment timeline; evaluate replacing critical infrastructure modems with alternative vendors if patches are not forthcoming within 60 days.

Yocto CVE-2025-61611

HIGH

Improper Input Validation (CWE-20)

2026-03-09 security@unisoc.com

Denial Of Service Yocto Linuxfoundation

7.5

CVSS 3.1 · NVD

View

Vulnerability Assessment

Weakness	CWE CWE-20 OWASP Top 10:2025 A05:2025 - Injection ASVS 5.0 V2 - Validation and Business Logic Input validation, allowlisting
Impact	CVSS 7.5 (HIGH). Attack vector: Network. Complexity: Low. Privileges required: None. User interaction: None. Exploitable via remote/network.
Exploit ScenarioDerived	A remote attacker could exploit this vulnerability to remote denial of service with no additional execution privileges needed.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).

No patch listed yet 0.3% exploitation probability (EPSS)

Get an e-mail when this CVE is exploited, patched or re-scored. Free account.

Alert me

AnalysisAIv1 – Mar 12, 2026

In modem, there is a possible improper input validation. This could lead to remote denial of service with no additional execution privileges needed.. [CVSS 7.5 HIGH]

RemediationAI

Monitor vendor advisories for a patch. Restrict network access to the affected service where possible.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

Classified as CWE-20 (Improper Input Validation). Affects Yocto. In modem, there is a possible improper input validation. This could lead to remote denial of service with no additional execution privileges needed..

Know when Yocto gets its next vulnerability

Watch products and get an email when something new is published
Check this CVE against your own stack and servers
Exploit and PoC references, threat intelligence from 22 sources

Continue with Google Continue with GitHub

No credit card · 7-day full trial

Severity by source

NVD PRIMARY 7.5 HIGH

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

DescriptionCVE.org

In modem, there is a possible improper input validation. This could lead to remote denial of service with no additional execution privileges needed..

Executive ViewAI

Why It Matters

CVE-2025-61611 affects modem devices and enables remote denial of service attacks without requiring special privileges, potentially disrupting network connectivity across affected infrastructure. With no patch currently available and a 7.5 HIGH severity rating, organizations using vulnerable modems face immediate risk of service interruption.

Business Impact: High

Compensating Controls

Segment modem management interfaces to trusted networks only; implement rate limiting and ingress filtering at network perimeter to mitigate DoS attacks; disable unnecessary modem services and features; deploy intrusion detection/prevention systems (IDS/IPS) configured to detect modem-targeting attack patterns; establish backup connectivity and failover mechanisms; monitor modem logs for suspicious activity and implement alerting for connection anomalies.

Threat Intelligence Overview

EPSS Score

0.3%

Top 49% exploitable

Data Quality

3 sources

Confidence: Low

NVD

CVE.org

EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity HIGH

CISA KEV No

Public POC No

EPSS 0.3%

Patch available No

Active threat No

Deciding rule

HIGH severity (CVSS 7.0-8.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Scheduled

Exploitation· derived

None

System Exposure· derived

Open

Automatable· derived

Yes

Human Impact

High

Priority Score

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +38

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Denial of Service MEDIUM

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.

Affected Products (CPE)CVE.org

cpe:2.3:a:linuxfoundation:yocto:-:*:*:*:*:*:*:*

Related Vulnerabilities in NR Modem Input Validation DoS

View all 8

More in Yocto

View all

CVE-2024-20080 CRITICAL Act Now

9.8 Jul 01

In gnss service, there is a possible escalation of privilege due to improper certificate validation. Rated critical seve

CVE-2024-25626 CRITICAL Act Now

9.8 Feb 19

Yocto Project is an open source collaboration project that helps developers create custom Linux-based systems regardless

CVE-2022-26447 CRITICAL Act Now

9.8 Sep 06

In BT firmware, there is a possible out of bounds write due to a missing bounds check. Rated critical severity (CVSS 9.8

CVE-2024-20040 HIGH This Week

8.8 Apr 01

In wlan firmware, there is a possible out of bounds write due to improper input validation. Rated high severity (CVSS 8.

CVE-2024-20104 HIGH This Week

8.4 Nov 04

In da, there is a possible out of bounds write due to a missing bounds check. Rated high severity (CVSS 8.4), this vulne

CVE-2024-20053 HIGH This Week

8.4 Apr 01

In flashc, there is a possible out of bounds write due to an uncaught exception. Rated high severity (CVSS 8.4), this vu

CVE-2024-20089 HIGH This Week

7.5 Sep 02

In wlan, there is a possible denial of service due to incorrect error handling. Rated high severity (CVSS 7.5), this vul

CVE-2023-32820 HIGH This Week

7.5 Oct 02

In wlan firmware, there is a possible firmware assertion due to improper input handling. Rated high severity (CVSS 7.5),

CVE-2023-20693 HIGH This Week

7.5 Jul 04

In wlan firmware, there is possible system crash due to an uncaught exception. Rated high severity (CVSS 7.5), this vuln

CVE-2023-20692 HIGH This Week

7.5 Jul 04

In wlan firmware, there is possible system crash due to an uncaught exception. Rated high severity (CVSS 7.5), this vuln

CVE-2023-20691 HIGH This Week

7.5 Jul 04

In wlan firmware, there is possible system crash due to an integer overflow. Rated high severity (CVSS 7.5), this vulner

CVE-2023-20690 HIGH This Week

7.5 Jul 04

In wlan firmware, there is possible system crash due to an integer overflow. Rated high severity (CVSS 7.5), this vulner

Same weakness CWE-20 – Improper Input Validation

View all

CVE-2021-44228 CRITICAL POC

10.0

CVE-2024-3400 CRITICAL POC

10.0

CVE-2022-47966 CRITICAL POC

9.8

CVE-2023-22515 CRITICAL POC

9.8

CVE-2009-0927 HIGH POC

8.8

CVE-2017-9791 CRITICAL POC

9.8

CVE-2017-15944 CRITICAL POC

9.8

CVE-2019-0604 CRITICAL POC

9.8

Same technique Denial Of Service

View all

CVE-2015-5119 CRITICAL POC

9.8

CVE-2011-2462 CRITICAL POC

9.8

CVE-2011-0611 HIGH POC

8.8

CVE-2012-1889 HIGH POC

8.8

CVE-2012-0507 CRITICAL POC

9.8

CVE-2014-1761 HIGH POC

7.8

CVE-2015-5122 CRITICAL POC

9.8

CVE-2011-0609 HIGH POC

7.8

References

Advisories & patches

ADVISORY https://www.unisoc.com/en/support/announcement/2030931350138310657

Search Externally

GitHub PoC

Exploit-DB PacketStorm Snyk Rapid7 Nuclei Templates Trickest PoC

Back