A buffer overflow vulnerability in Lenovo Safety Driver might permit native attackers with elevated privileges to execute arbitrary code on affected methods.
The vulnerability, designated as CVE-2025-4657, impacts a number of Lenovo functions and poses important safety dangers to desktop, ThinkCentre, laptop computer, and ThinkPad customers.
Key Takeaways1. Buffer overflow vulnerability permits attackers to execute arbitrary code and escalate privileges on Lenovo methods.2. Impacts Lenovo PC Supervisor, Browser, and App Retailer on desktops, laptops, and ThinkPads.3. Replace all three functions instantly to patch the susceptible driver.
Overview of Buffer Overflow Flaw
The vulnerability exists in variations of the Lenovo Safety Driver prior to five.1.1110.4231, the place a buffer overflow situation could be exploited by attackers who’ve already gained native entry to the system.
This kind of vulnerability happens when a program writes extra knowledge to a buffer than it may maintain, probably overwriting adjoining reminiscence places and permitting malicious code execution.
The flaw represents a major safety concern because it permits privilege escalation, permitting attackers to execute arbitrary code with system-level permissions.
The vulnerability was publicly disclosed on July 8, 2025, following commonplace accountable disclosure practices.
Safety researchers have categorised this as a high-priority subject resulting from its potential influence on system integrity and the widespread deployment of affected Lenovo software program throughout enterprise and client environments.
Threat FactorsDetailsAffected Merchandise– Lenovo PC Supervisor (variations prior to five.1.110.5082)- Lenovo Browser (variations previous to 9.0.6.5061)- Lenovo App Retailer (variations previous to 9.0.2230.0617)- Lenovo Safety Driver (variations prior to five.1.1110.4231)Impression– Buffer overflow vulnerability- Arbitrary code executionExploit Stipulations– Native entry to the goal system- Elevated privileges required- Entry to susceptible driver file (lrtp.sys)CVSS 3.1 Score6.7 (Medium)
The safety flaw impacts three key Lenovo functions that make the most of the susceptible Safety Driver: Lenovo PC Supervisor, Lenovo Browser, and Lenovo App Retailer.
These functions are generally pre-installed on Lenovo methods and are extensively used throughout the corporate’s machine ecosystem, together with desktop computer systems, ThinkCentre workstations, laptops, and ThinkPad enterprise notebooks.
The motive force file in query, recognized as lrtp.sys, is positioned within the C:WindowsSystem32drivers listing and serves as a core element for the affected functions.
Customers can confirm their present driver model by navigating to this location, right-clicking the lrtp.sys file, deciding on Properties, then Particulars, and checking the file model data.
Lenovo has launched safety patches for all affected functions and strongly recommends instant updates.
Customers ought to replace Lenovo PC Supervisor to model 5.1.110.5082 or increased, Lenovo Browser to model 9.0.6.5061 or increased, and Lenovo App Retailer to model 9.0.2230.0617 or increased.
The corporate notes that the Safety Driver will routinely replace when these functions are launched.
System directors ought to prioritize these updates to make sure the driving force reaches the safe model 5.1.110.4231 or later. Lenovo emphasizes that this advisory data is offered “as-is” and reserves the fitting to replace suggestions as wanted.
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