CVE-2025-5475: Sony XAV-AX8500 · Integer Overflow or Wraparound
Affects Sony XAV-AX8500Source CVE Database V5
Not known to be exploited · CVSS 7.5 High.
Data as of 26 Oct 2026, 10:12 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 27% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 21 Jun 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Sony XAV-AX8500 | Affected
| Fixed in– |
AI-suggested
Given the absence of an official patch, European organizations should implement layered mitigations tailored to the Bluetooth attack vector and device usage context. First, restrict physical and Bluetooth access to vehicles equipped with the Sony XAV-AX8500 by enforcing strict pairing policies, such as disabling Bluetooth pairing when the vehicle is unattended or outside controlled environments. Employ Bluetooth device whitelisting to prevent unauthorized devices from pairing. Monitor Bluetooth connection logs for unusual pairing attempts or new devices. Where possible, disable Bluetooth functionality entirely if not required operationally. For fleet management, implement network segmentation to isolate vehicle infotainment systems from critical corporate networks, limiting potential lateral movement. Engage with Sony and authorized vendors to obtain firmware updates or patches as soon as they become available. Additionally, conduct regular security assessments of vehicle systems and update organizational policies to include Bluetooth security hygiene. Training drivers and operators on the risks of pairing unknown devices can further reduce exploitation likelihood.
Description
Sony XAV-AX8500 Bluetooth Packet Handling Integer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected Sony XAV-AX8500 devices. An attacker must first obtain the ability to pair a malicious Bluetooth device with the target system in order to exploit this vulnerability. The specific flaw exists within the handling of Bluetooth packets. The issue results from the lack of proper validation of user-supplied data, which can result in an integer overflow before writing to memory. An attacker can leverage this vulnerability to execute code in the context of the elysian-bt-service process. Was ZDI-CAN-26283.