CVE-2026-18279CWE-120

CVE-2026-18279

High · published August 20, 2026

CVSS v3.0
8.8
EPSS
1%
Percentile
52.1
In the wild
Unconfirmed
What it is

Sony XAV-9500ES RTSP SETUP Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Sony XAV-9500ES devices. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the handling of SETUP RTSP packets. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length buffer. An attacker can leverage this vulnerability to execute code in the context of the device. Was ZDI-CAN-29042.

The record
Technical detail
CVSS v3.0
8.8 · HIGH
Vector
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00686 · 52.1th percentile
Weakness
CWE-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Published
2026-08-20T21:17Z
References (2)
EPSS history
Timeline
  • 20 AUG 16:19Z
    Sony XAV-9500ES RTSP SETUP Buffer Overflow Remote Code Execution Vulnerability
    cvelistv5