CVE-2025-8817
A vulnerability was identified in Linksys RE6250, RE6300, RE6350, RE6500, RE7000 and RE9000 up to 20250801. Affected by this vulnerability is the function setLan of the file /goform/setLan. The manipulation of the argument lan2enabled leads to stack-based buffer overflow. The attack can be launched 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
- Version: 4.0
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- Base score: 7.4
Exploitation probability (EPSS)
- Probability of exploitation in the next 30 days: 1.04%
- Percentile among all scored CVEs: 63
- Score date: 10/6/2026
EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).
🎯 ATT&CK techniques
How this vulnerability is exploited and what the attacker gains, in MITRE ATT&CK terms.
- Exploitation
T1210Exploitation of Remote Serviceslateral movement85 % - Primary impact
T1059Command and Scripting Interpreterexecution80 %
Vulnerabilidad de buffer overflow en servicio remoto (setLan) que requiere autenticación (PR:L). Permite ejecución de código arbitrario en el dispositivo Linksys. Stack overflow con VC:H/VI:H/VA:H.
Inferred by our analysis agent from the official description, CVSS vector and CWE, and checked by a supervisor. May contain errors.
🛡️ ATT&CK mitigations that cover these techniques
Affected technologies (6)
CWEs
- CWE-119, CWE-121
References
- https://github.com/wudipjq/my_vuln/blob/main/Linksys1/vuln_51/51.md
- https://github.com/wudipjq/my_vuln/blob/main/Linksys1/vuln_51/51.md#poc
- https://vuldb.com/?ctiid.319351
- https://vuldb.com/?id.319351
- https://vuldb.com/?submit.626681
- https://www.linksys.com/
- https://github.com/wudipjq/my_vuln/blob/main/Linksys1/vuln_51/51.md
- https://github.com/wudipjq/my_vuln/blob/main/Linksys1/vuln_51/51.md#poc
Raw JSON (NVD)
Show
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