CVE-2025-8819 - CVE House
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Status published High CVE-2025-8819

Linksys RE6250/RE6300/RE6350/RE6500/RE7000/RE9000 setWan stack-based overflow

Vulnerability Description

A vulnerability was found in Linksys RE6250, RE6300, RE6350, RE6500, RE7000 and RE9000 up to 20250801. This affects the function setWan of the file /goform/setWan. The manipulation of the argument staticIp leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • pjqwudi (VulDB User)

References

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Affected Vendor

Affected Software

RE6250, RE6300, RE6350, RE6500, RE7000, RE9000
Vulnerable Versions:
20250801

Timeline

Official Publish: August 10th, 2025
Last Modified: August 12th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

Weaknesses (CWE)

CWE-121 CWE-119

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application
Initial Access
T1068 Exploitation for Privilege Escalation
Privilege Escalation
T1055 Process Injection
Defense Evasion
T1105 Ingress Tool Transfer
Command and Control
T1485 Data Destruction
Impact
T1203 Exploitation for Client Execution
Execution