CVE-2025-9525: Linksys E1700 setWan stack-based overflow

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-08-27 · updated 2026-06-17
Weakness: CWE-119

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.

Affected products

Linksys E1700: 1.0.0.4.003

References

https://github.com/wudipjq/my_vuln/blob/main/Linksys2/vuln_58/58.md
https://github.com/wudipjq/my_vuln/blob/main/Linksys2/vuln_58/58.md#poc
https://vuldb.com/?ctiid.321542
https://vuldb.com/?id.321542
https://vuldb.com/?submit.634824
https://www.linksys.com/

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