CVE-2025-65288

A buffer overflow in the Mercury MR816v2 (081C3114 4.8.7 Build 110427 Rel 36550n) occurs when the device accepts and stores excessively long hostnames from LAN hosts without proper length validation. The affected code performs unchecked copies/concatenations into fixed-size buffers. A crafted long hostname can overflow the buffer, cause a crash (DoS) and potentially enabling remote code execution.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://damiri.fr/en/cve/CVE-2025-65288	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:mercurycom:mr816_firmware:081c3114_4.8.7:build_110427:*:*:*:*:*:*

cpe:2.3:h:mercurycom:mr816:2.0:*:*:*:*:*:*:*

History

12 Dec 2025, 14:32

Type	Values Removed	Values Added
First Time		Mercurycom mr816 Mercurycom mr816 Firmware Mercurycom
References	~~() https://damiri.fr/en/cve/CVE-2025-65288 -~~	() https://damiri.fr/en/cve/CVE-2025-65288 - Exploit, Third Party Advisory
CPE		cpe:2.3:o:mercurycom:mr816_firmware:081c3114_4.8.7:build_110427:::::: cpe:2.3:h:mercurycom:mr816:2.0:::::::*

10 Dec 2025, 21:16

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 6.5
CWE		CWE-120

09 Dec 2025, 17:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-12-09 17:15

Updated : 2025-12-12 14:32

NVD link : CVE-2025-65288

Mitre link : CVE-2025-65288

CVE.ORG link : CVE-2025-65288

JSON object : View

Products Affected

mercurycom

mr816_firmware
mr816

CWE

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

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