Critical severity · published Oct 12, 2026
CVE-2026-108896
Linksys E1700 setLinksysIpv6 os command injection
9.9
CVSS
2.2%
EPSS
No
On KEV
Description
A vulnerability was found in Linksys E1700 1.0.0.4.003. This affects the function setLinksysIpv6 of the file /goform/setLinksysIpv6. The manipulation of the argument _6rd_prefix/_6rd_prefix_len results in os command injection. The attack can be launched remotely. The exploit has been made public and could 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:C/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)2.2% · higher than 82% 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
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-108896
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-108896
vdb-entry
https://vuldb.com/vuln/416683
signature
https://vuldb.com/vuln/416683/cti
third-party-advisory
https://vuldb.com/cve/CVE-2026-108896
third-party-advisory
https://vuldb.com/submit/973115
broken-link
https://github.com/wudipjq/my_vuln/blob/main/Linksys3/vuln_70/70.md
product
https://www.linksys.com/
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A vulnerability was found in Linksys E1700 1.0.0.4.003