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CVE-2026-120283— Linksys E8450 portal.cgi strcpy stack-based overflow

Quick assessment

Affected
Linksys E8450
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 E8450 固件版本 1.2.00.360516 中发现了一个漏洞。该漏洞源于文件 中的 函数。攻击者可通过操纵参数 触发栈缓冲区溢出。此攻击可远程执行。厂商已就本漏洞披露事宜在早期被联系，但至今未作出任何回应。

CVSS 10.0 · Critical
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I. Basic Information for CVE-2026-120283

Vulnerability Information
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Vulnerability Title
Linksys E8450 portal.cgi strcpy stack-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was identified in Linksys E8450 1.2.00.360516. Affected is the function strcpy of the file /www/cgi-bin/portal.cgi. Such manipulation of the argument hidden_timezone leads to stack-based buffer overflow. The attack can be executed remotely. 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 E8450 1.2.00.360516 cpe:2.3:o:linksys:e8450_firmware:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-120283

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III. Intelligence Information for CVE-2026-120283

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Vendor Advisories for CVE-2026-120283 (1)

Other References for CVE-2026-120283 (3)

IV. Related Vulnerabilities

Same product: E8450
Same vendor: Linksys
Same weakness: CWE-121