High severity · published Aug 27, 2025
CVE-2025-9525
Linksys E1700 setWan stack-based overflow
8.8
CVSS
1.5%
EPSS
No
On KEV
Description
A flaw has been found in Linksys E1700 1.0.0.4.003. Affected by this vulnerability is the function setWan of the file /goform/setWan. This manipulation of the argument DeviceName/lanIp causes stack-based buffer overflow. The attack can be initiated remotely. The exploit has been published 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 74% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
E1
E1700 · Linksys
1.0.0.4.003 · source: vendor
EF
E1700 Firmware · Linksys
1.0.0.4.003 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-9525
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-9525
Exploit
https://github.com/wudipjq/my_vuln/blob/main/Linksys2/vuln_58/58.md
Exploit
https://github.com/wudipjq/my_vuln/blob/main/Linksys2/vuln_58/58.md#poc
Permissions Required
https://vuldb.com/?ctiid.321542
Third Party Advisory
https://vuldb.com/?id.321542
Third Party Advisory
https://vuldb.com/?submit.634824
Product
https://www.linksys.com/
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