Buffer overflow in Linksys E1700
CVE-2026-108892
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.
Vulnerability class: Buffer Overflow
Published .
CVSS v3 metric
CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Linksys E1700 — versions 1.0.0.4.003
Weakness classification (CWE)
References
- vuldb.com/vuln/416684 (technical-description, vdb-entry)
- vuldb.com/vuln/416684/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-108892 (third-party-advisory)
- vuldb.com/submit/973111 (third-party-advisory)
- github.com/wudipjq/my_vuln/blob/main/Linksys3/vuln_66/66.md (exploit)
- www.linksys.com/ (product)
Frequently asked questions
- What is CVE-2026-108892?
- CVE-2026-108892 is a critical-severity vulnerability in Linksys E1700, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 10.0/10. Published 2026-10-12.
- How severe is CVE-2026-108892?
- Critical severity. CVSS v3 base score is 10.0 out of 10.