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CVE-2025-65288

Published: Dec 9, 2025Updated: Dec 12, 2025 Sources: CVE List NVDCWE-120
NVD MITRE
6.5CVSSMEDIUM
EPSS Score
0.4%
Top 73.3%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

Description

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 Vector Breakdown

AV:AAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:AAttack Vector
Adjacent
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

CWE-120

Affected Products

mr816 firmwaremercurycom
Embedded
Networking Infrastructure / router-switch
n/an/a
mercurycomcommercialNetworking Infrastructureaka mipc252w firmware, d196g firmware, mr816 firmware

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://damiri.fr/en/cve/CVE-2025-65288
damiri.fr

Timeline

Published
Dec 9, 2025
Last Updated
Dec 12, 2025

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