Critical severity · published Oct 12, 2026
CVE-2026-108892
Linksys E1700 Mac Filter ssid1MACFilter stack-based overflow
10.0
CVSS
0.6%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 49% 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-2026-108892
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-108892
vdb-entry
https://vuldb.com/vuln/416684
signature
https://vuldb.com/vuln/416684/cti
third-party-advisory
https://vuldb.com/cve/CVE-2026-108892
third-party-advisory
https://vuldb.com/submit/973111
exploit
https://github.com/wudipjq/my_vuln/blob/main/Linksys3/vuln_66/66.md
product
https://www.linksys.com/
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A vulnerability was found in Linksys E1700 1.0.0.4.003