CVE-2025-58349 is a critical vulnerability affecting various Samsung Exynos processors, including models 980, 990, 850, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 2400, 1580, 2500, 9110, W920, W930, and W1000. This vulnerability allows for improper handling of LTE MAC packets, which can result in baseband crashes.
The severity of this vulnerability is rated as critical, with a CVSS score of 9.1. This highlights the potential impact on device functionality and stability. Given that the attack vector is network-based with low complexity, organizations utilizing affected Samsung devices should be particularly vigilant.
Risk to organizations includes significant disruptions due to baseband crashes, which could lead to loss of device functionality and potential data exposure. Thus, organizations should prioritize patching immediately.
As of now, there is no public exploit confirmed for this vulnerability, but the critical nature of this flaw necessitates prompt action from security teams.
The urgency for defenders is high, and immediate measures should be taken to ensure devices are updated to secure firmware versions.
Vulnerability Details
The vulnerability stems from incorrect handling of LTE MAC packets containing multiple MAC Control Elements (CEs). This mismanagement can lead to instability in baseband operations, making devices susceptible to crashes. The CVSS score of 9.1 indicates a critical risk, and it is essential for organizations to adopt mitigative strategies.
Technical Analysis
The root cause of CVE-2025-58349 lies in the processing of LTE MAC packets. Attackers may leverage this vulnerability to send specially crafted packets that lead to baseband crashes. The attack vector is network-based, and no user interaction is required. The complexity is low, and no privileges are needed to exploit this vulnerability.
Risk & Impact Analysis
Organizations utilizing affected Samsung Exynos processors must understand the real-world risks involved. Affected devices could experience significant operational disruptions, affecting their functionality and availability. As the vulnerability allows for network-based attacks, the potential blast radius is extensive, impacting numerous devices across organizational networks.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
All versions prior to vendor patch are affected, including firmware versions for Exynos 980, 990, 850, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 2400, 1580, 2500, 9110, W920, W930, W1000, Modem 5123, Modem 5300, and Modem 5400.
Mitigation & Remediation
Organizations must patch affected devices immediately. Ensure that all devices are updated to the latest firmware versions as provided by Samsung. For detailed guidance on conducting security assessments and patch management, organizations can refer to application security assessment best practices.
Detection Guidance
To detect potential exploitation attempts, organizations should monitor for abnormal behaviors in baseband operations and analyze logs for indications of failed LTE packet processing. Network intrusion detection systems should be configured to alert on suspicious MAC packet traffic.
AppSecure Threat Intelligence Insight
CVE-2025-58349 represents a significant vulnerability within Samsung's mobile processor and modem technologies. While no known exploits are currently available, the potential for future exploitation remains. Security teams should focus on proactive measures to enhance monitoring and patch management strategies. Organizations can benefit from penetration testing methodologies to strengthen their defenses against such vulnerabilities.
Furthermore, it is crucial for organizations to maintain awareness of emerging threats and implement a comprehensive vulnerability management program that can adapt to the evolving landscape of mobile security threats.
In conclusion, the critical nature of this vulnerability necessitates an immediate response from all organizations using affected Samsung devices to protect their infrastructure and data integrity.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.

.webp)