Vulnerability details

CVE-2026-120283

Linksys E8450

Linksys E8450 portal.cgi strcpy stack-based overflow

CVSS 4.0

10.0Critical

Official 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.

CVSS scores

Score	Version	Source	Vector
10.0Critical	4.0	CVEProject cvelistV5 (CNA) (VulDB)	`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P`
10.0Critical	3.1	CVEProject cvelistV5 (CNA) (VulDB)	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R`
10.0Critical	3.0	CVEProject cvelistV5 (CNA) (VulDB)	`CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R`
10.0High	2.0	CVEProject cvelistV5 (CNA) (VulDB)	`AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:UR`

Affected products

Vendor	Product	Versions	Source
Linksys	E8450	1.2.00.360516	CVEProject cvelistV5 (CNA)

References and advisories

https://vuldb.com/vuln/429627 vdb-entrytechnical-description
https://vuldb.com/vuln/429627/cti signaturepermissions-required
https://vuldb.com/cve/CVE-2026-120283 third-party-advisory
https://vuldb.com/submit/1014924 third-party-advisory
https://www.linksys.com/ product

Kolun on Telegram @kolunsec Exploited CVEs, key news and a daily digest Alerts for this product's next CVEsFollow the product to get new vulnerabilities on Telegram.

Details

Published: 2026-11-02
Last updated: 2026-11-02
State: Published
Assigner (CNA): VulDB
Kolun priority: 27 · Low

Exploit prediction (EPSS)

0.58%

Probability of exploitation in 30 days

48.1%

Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable: Yes
Exploitation: None
Technical impact: Total

Weaknesses (CWE)

CWE-121
Stack-based Buffer Overflow
CWE-119
Memory Corruption