Vulnerability Description
A vulnerability was determined in Linksys RE6250, RE6300, RE6350, RE6500, RE7000 and RE9000 up to 20250801. Affected is the function setOpMode of the file /goform/setOpMode. The manipulation of the argument ethConv leads to stack-based buffer overflow. It is possible to launch 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linksys | Re6250 Firmware | 1.0.04.001 |
| Linksys | Re6250 | - |
| Linksys | Re6300 Firmware | 1.2.07.001 |
| Linksys | Re6300 | - |
| Linksys | Re6350 Firmware | 1.0.04.001 |
| Linksys | Re6350 | - |
| Linksys | Re7000 Firmware | 1.1.05.003 |
| Linksys | Re7000 | - |
| Linksys | Re9000 Firmware | 1.0.04.002 |
| Linksys | Re9000 | - |
| Linksys | Re6500 Firmware | 1.0.013.001 |
| Linksys | Re6500 | - |
Related Weaknesses (CWE)
References
- https://github.com/wudipjq/my_vuln/blob/main/Linksys1/vuln_50/50.mdExploitThird Party Advisory
- https://github.com/wudipjq/my_vuln/blob/main/Linksys1/vuln_50/50.md#pocExploitThird Party Advisory
- https://vuldb.com/?ctiid.319350Permissions RequiredVDB Entry
- https://vuldb.com/?id.319350Third Party AdvisoryVDB Entry
- https://vuldb.com/?submit.626680Third Party AdvisoryVDB Entry
- https://www.linksys.com/Product
- https://github.com/wudipjq/my_vuln/blob/main/Linksys1/vuln_50/50.mdExploitThird Party Advisory
- https://github.com/wudipjq/my_vuln/blob/main/Linksys1/vuln_50/50.md#pocExploitThird Party Advisory
FAQ
What is CVE-2025-8816?
CVE-2025-8816 is a vulnerability with a CVSS score of 8.8 (HIGH). A vulnerability was determined in Linksys RE6250, RE6300, RE6350, RE6500, RE7000 and RE9000 up to 20250801. Affected is the function setOpMode of the file /goform/setOpMode. The manipulation of the ar...
How severe is CVE-2025-8816?
CVE-2025-8816 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-8816?
Check the references section above for vendor advisories and patch information. Affected products include: Linksys Re6250 Firmware, Linksys Re6250, Linksys Re6300 Firmware, Linksys Re6300, Linksys Re6350 Firmware.