CVE-2025-62648: RBI Assistant Platform RCE Vulnerability

CVE-2025-62648 Overview

CVE-2025-62648 affects the Restaurant Brands International (RBI) assistant platform through 2025-09-06. The vulnerability allows remote attackers to adjust Drive Thru speaker audio volume without proper authorization. RBI operates Burger King, Popeyes, and Tim Hortons, whose Drive Thru locations rely on this platform. The flaw is categorized under [CWE-863] Incorrect Authorization, meaning the platform performs authorization checks incorrectly for volume-adjustment functionality. Independent researchers publicly disclosed the issue in September 2025, and it received subsequent coverage from security news outlets.

Critical Impact
Remote attackers can manipulate Drive Thru speaker volume at RBI-affiliated restaurants without authentication, resulting in operational disruption and integrity impact to customer-facing hardware.

Affected Products

RBI Restaurant Brands International Assistant platform through 2025-09-06
Drive Thru speaker systems connected to the RBI assistant platform
Restaurant locations across the RBI brand portfolio (Burger King, Popeyes, Tim Hortons)

Discovery Timeline

2025-10-17 - CVE-2025-62648 published to NVD
2026-06-17 - Last updated in NVD database

Technical Details for CVE-2025-62648

Vulnerability Analysis

The RBI assistant platform exposes functionality to adjust Drive Thru speaker audio volume over the network. According to public reporting by the researcher known as BobDaHacker, the platform accepts volume-adjustment requests from unauthenticated remote sources. The issue maps to [CWE-863] Incorrect Authorization, where the application enforces an authorization check but fails to apply it correctly to the volume-control endpoint.

Because the flaw resides in a cloud-connected assistant platform, exploitation crosses a trust boundary. An attacker on the internet can influence hardware behavior at physical restaurant locations. The integrity of customer-facing audio equipment is affected, though the vulnerability does not directly expose confidential data or halt service availability.

Root Cause

The root cause is missing or improperly enforced authorization on the API surface responsible for speaker volume control. The platform trusts request context without validating whether the requesting principal has legitimate authority over the target restaurant's hardware. This design flaw permits any network-reachable actor to invoke the control function.

Attack Vector

Exploitation requires network access to the RBI assistant platform and requires no authentication, no privileges, and no user interaction. An attacker crafts requests to the volume-adjustment endpoint targeting specific Drive Thru speakers. Because the scope changes to affect physical hardware at restaurant locations, downstream impact extends beyond the vulnerable web component.

No verified proof-of-concept code has been published to public exploit databases. Technical details are described in the BobDaHacker Blog Post and Malwarebytes News Article.

Detection Methods for CVE-2025-62648

Indicators of Compromise

Unexpected volume changes on Drive Thru speaker hardware reported by store staff
API requests to the RBI assistant platform volume-control endpoint originating from unfamiliar IP ranges or geographies
Repeated requests to speaker-configuration endpoints without corresponding authenticated user sessions

Detection Strategies

Enable authorization-failure logging on the assistant platform and alert on anomalous invocation patterns of hardware-control APIs
Correlate API access logs with authenticated session identifiers to identify requests lacking valid principals
Baseline normal volume-adjustment activity per store and flag deviations that occur outside operating hours

Monitoring Recommendations

Forward platform access logs and hardware telemetry to a centralized SIEM for cross-source correlation
Monitor for bursts of configuration changes across multiple restaurant locations within short time windows
Track user-agent strings, source IPs, and geographic distribution of API callers to identify automation

How to Mitigate CVE-2025-62648

Immediate Actions Required

Contact RBI or the platform operator to confirm the vulnerable endpoint has been remediated on the server side
Restrict network exposure of the assistant platform's administrative and hardware-control APIs to trusted origins only
Audit access logs for volume-control endpoints covering the period prior to the disclosure date of 2025-09-06

Patch Information

No public vendor advisory URL is associated with CVE-2025-62648 in the NVD record. The vulnerability description indicates the flaw exists in the platform "through 2025-09-06," suggesting remediation followed shortly after public disclosure. Franchisees and operators should confirm patch status directly with Restaurant Brands International.

Workarounds

Enforce strict authorization checks server-side on every hardware-control API request, validating both authentication and per-resource permissions
Segment Drive Thru hardware from directly reachable cloud endpoints by placing a broker service that validates commands
Rate-limit volume-adjustment requests and require multi-factor confirmation for configuration changes affecting physical devices

bash

# Configuration example: restrict access to hardware-control API paths at the edge
# Example nginx rule allowing only known RBI corporate CIDR ranges
location /api/v1/drivethru/speaker/volume {
    allow 203.0.113.0/24;   # corporate management range
    deny all;
    proxy_pass http://rbi-assistant-backend;
}