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

Quick assessment

Affected
Linksys E1700
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 Linksys E1700 1.0.0.4.003 版本中发现了一个漏洞。该漏洞影响了 Mac Filter 组件中文件 的 函数。对参数 的恶意操作会导致基于栈的缓冲区溢出。攻击者可从远程发起利用。该漏洞的利用代码已被公开披露，并可能被实际利用。厂商在漏洞披露前被联系，但始终未作出任何回应。

CVSS 10.0 · Critical EPSS 0.62% · P48

Affected Version Matrix 1

VendorProduct Version RangeStatus
Linksys E1700 1.0.0.4.003 affected
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I. Basic Information for CVE-2026-108892

Vulnerability Information
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Vulnerability Title
Linksys E1700 Mac Filter ssid1MACFilter stack-based overflow
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Linksys E1700 1.0.0.4.003 cpe:2.3:o:linksys:e1700_firmware:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-108892

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III. Intelligence Information for CVE-2026-108892

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News Coverage for CVE-2026-108892 (1)

Same Patch Batch · Linksys · 2026-10-12 · 5 CVEs total

CVE-2026-108893 9.9 CRITICAL Linksys E1700 setVlan stack-based overflow
CVE-2026-108894 9.9 CRITICAL Linksys E1700 Static Route addStaticRoute os command injection
CVE-2026-108896 9.9 CRITICAL Linksys E1700 setLinksysIpv6 os command injection
CVE-2026-108895 9.9 CRITICAL Linksys E1700 setDMZ os command injection

IV. Related Vulnerabilities

Same product: E1700
Same vendor: Linksys
Same weakness: CWE-121

V. Comments for CVE-2026-108892

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