High severity · published Aug 20, 2026
CVE-2026-18279
Sony XAV-9500ES RTSP SETUP Buffer Overflow Remote Code Execution Vulnerability
8.8
CVSS
0.7%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 52% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
XA
XAV-9500ES · Sony
3.02.00 · source: vendor
In the news
VulnerabilityHigh
ZDI-26-472: (Pwn2Own) 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 ZDI has assigned a CVSS rating of 8.8. The following CVEs are assigned: CVE-2026-18279.
Jul 29, 2026·Zero Day Initiative
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-18279
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-18279
www.sony.com
https://www.sony.com/electronics/support/mobile-cd-players-digital-media-players-xav-series/xav-9500es/software/00274922
www.zerodayinitiative.com
https://www.zerodayinitiative.com/advisories/ZDI-26-472/
More from XAV-9500ES
8.0
CVE-2026-18282
Sony XAV-9500ES AVRCP_Br_Response_Parser Heap-based Buffer Overflow Remote Code Execution Vulnerability
8.0
CVE-2026-18281
Sony XAV-9500ES l2_reassemble_sdu Heap-based Buffer Overflow Remote Code Execution Vulnerability
7.8
CVE-2026-18284
Sony XAV-9500ES Crash Dump Handler Command Injection Local Privilege Escalation Vulnerability
3.9
CVE-2026-18280
Sony XAV-9500ES gpsd Buffer Overflow Arbitrary Code Execution Vulnerability
3.5
CVE-2026-18278
Sony XAV-9500ES prh_l2_decode_packet Out-Of-Bounds Read Information Disclosure Vulnerability