CVE-2025-9526: high-severity vulnerability in Linksys E1700
Linksys E1700 setSysAdm stack-based overflow
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.7epss 1.5%
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:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
Affected products
Linksys · E1700Related CVEs — Linksys E1700
In the same product, most dangerous first.
CVE-2025-9528MEDIUMLinksys E1700 systemCommand os command injectionEPSS 54.5%CVE-2026-108896CRITICALLinksys E1700 setLinksysIpv6 os command injectionEPSS 2.2%CVE-2026-108895CRITICALLinksys E1700 setDMZ os command injectionEPSS 2.2%CVE-2026-108894CRITICALLinksys E1700 Static Route addStaticRoute os command injectionEPSS 2.2%CVE-2025-9527HIGHLinksys E1700 QoSSetup stack-based overflowEPSS 1.5%CVE-2025-9525HIGHLinksys E1700 setWan stack-based overflowEPSS 1.5%