High severity · published Aug 26, 2025
CVE-2025-9481
Linksys RE6250/RE6300/RE6350/RE6500/RE7000/RE9000 setIpv6 stack-based overflow
8.8
CVSS
1.5%
EPSS
No
On KEV
Description
A security vulnerability has been detected in Linksys RE6250, RE6300, RE6350, RE6500, RE7000 and RE9000 1.0.013.001/1.0.04.001/1.0.04.002/1.1.05.003/1.2.07.001. This affects the function setIpv6 of the file /goform/setIpv6. The manipulation of the argument tunrd_Prefix leads to stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been disclosed publicly 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)1.5% · higher than 73% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RE
RE6250 · Linksys
1.0.013.001; 1.0.04.001; 1.0.04.002; 1.1.05.003; 1.2.07.001 · source: vendor
RE
RE6300 · Linksys
1.0.013.001; 1.0.04.001; 1.0.04.002; 1.1.05.003; 1.2.07.001 · source: vendor
RE
RE6350 · Linksys
1.0.013.001; 1.0.04.001; 1.0.04.002; 1.1.05.003; 1.2.07.001 · source: vendor
RE
RE6500 · Linksys
1.0.013.001; 1.0.04.001; 1.0.04.002; 1.1.05.003; 1.2.07.001 · source: vendor
RE
RE7000 · Linksys
1.0.013.001; 1.0.04.001; 1.0.04.002; 1.1.05.003; 1.2.07.001 · source: vendor
RE
RE9000 · Linksys
1.0.013.001; 1.0.04.001; 1.0.04.002; 1.1.05.003; 1.2.07.001 · source: vendor
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-2025-9481
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-9481
Exploit
https://github.com/wudipjq/my_vuln/blob/main/Linksys/vuln_35/35.md
Exploit
https://github.com/wudipjq/my_vuln/blob/main/Linksys/vuln_35/35.md#poc
Permissions Required
https://vuldb.com/?ctiid.321396
Third Party Advisory
https://vuldb.com/?id.321396
Third Party Advisory
https://vuldb.com/?submit.634819
Product
https://www.linksys.com/
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