High severity · published Aug 11, 2025
CVE-2025-8833
A vulnerability was identified in Linksys RE6250, RE6300, RE6350, RE6500, RE7000 and RE9000 up to 20250801
8.8
CVSS
1.1%
EPSS
No
On KEV
Description
A vulnerability was identified in Linksys RE6250, RE6300, RE6350, RE6500, RE7000 and RE9000 up to 20250801. This issue affects the function langSwitchBack of the file /goform/langSwitchBack. The manipulation of the argument langSelectionOnly leads to stack-based buffer overflow. The attack may be initiated 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 vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 65% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RF
Re6250 Firmware · Linksys
1.0.04.001 · source: NVD
RF
Re6300 Firmware · Linksys
1.2.07.001 · source: NVD
RF
Re6350 Firmware · Linksys
1.0.04.001 · source: NVD
RF
Re6500 Firmware · Linksys
1.0.013.001 · source: NVD
RF
Re7000 Firmware · Linksys
1.1.05.003 · source: NVD
RF
Re9000 Firmware · Linksys
1.0.04.002 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-8833
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-8833
Exploit
https://github.com/wudipjq/my_vuln/blob/main/Linksys/vuln_38/38.md
Exploit
https://github.com/wudipjq/my_vuln/blob/main/Linksys/vuln_38/38.md#poc
Permissions Required
https://vuldb.com/?ctiid.319367
Third Party Advisory
https://vuldb.com/?id.319367
Third Party Advisory
https://vuldb.com/?submit.626698
Product
https://www.linksys.com/
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