High severity · published Aug 27, 2025
CVE-2025-9526
Linksys E1700 setSysAdm stack-based overflow
8.8
CVSS
1.5%
EPSS
No
On KEV
Description
A vulnerability has been found in Linksys E1700 1.0.0.4.003. Affected by this issue is the function setSysAdm of the file /goform/setSysAdm. Such manipulation of the argument rm_port 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 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-2025-9526
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-9526
Exploit
https://github.com/wudipjq/my_vuln/blob/main/Linksys2/vuln_59/59.md
Exploit
https://github.com/wudipjq/my_vuln/blob/main/Linksys2/vuln_59/59.md#poc
Permissions Required
https://vuldb.com/?ctiid.321543
Third Party Advisory
https://vuldb.com/?id.321543
Third Party Advisory
https://vuldb.com/?submit.634825
Third Party Advisory
https://www.linksys.com/
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