CVE-2026-108896: Linksys E1700 setLinksysIpv6 os command injection

Severity: critical (CVSS 9.9 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-12 · updated 2026-10-15
Weakness: CWE-77

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.

Affected products

Linksys E1700: 1.0.0.4.003

References

https://github.com/wudipjq/my_vuln/blob/main/Linksys3/vuln_70/70.md
https://vuldb.com/cve/CVE-2026-108896
https://vuldb.com/submit/973115
https://vuldb.com/vuln/416683
https://vuldb.com/vuln/416683/cti
https://www.linksys.com/

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