CVE-2026-108892: Linksys E1700 Mac Filter ssid1MACFilter stack-based overflow

Severity: critical (CVSS 10.0 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% 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-119

Description

A vulnerability was determined in Linksys E1700 1.0.0.4.003. This vulnerability affects the function ssid1MACFilter of the file /goform/ssid1MACFilter of the component Mac Filter. This manipulation of the argument newap_text_%d causes stack-based buffer overflow. The attack may be initiated remotely. The exploit has been publicly disclosed and may be utilized. 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_66/66.md
https://vuldb.com/cve/CVE-2026-108892
https://vuldb.com/submit/973111
https://vuldb.com/vuln/416684
https://vuldb.com/vuln/416684/cti
https://www.linksys.com/

Get alerted when CVE-2026-108892 or the next vulnerability affects your stack