CVE-2026-127276

LOW 3.7

Linksys EA8100 Web UI cookie httponly flag

CVSS Score

3.7

EPSS Score

0.0%

EPSS Percentile

0th

A vulnerability was identified in Linksys EA8100 1.0.3.216940. Impacted is an unknown function of the component Web UI. Such manipulation leads to cookie without 'httponly' flag. It is possible to launch the attack remotely. This attack is characterized by high complexity. The exploitability is considered difficult. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

CWE	CWE-1004 CWE-732
Vendor	linksys
Product	ea8100
Published	Nov 13, 2026
Last Updated	Nov 13, 2026

Stay Ahead of the Next One

Get instant alerts for linksys ea8100

Be the first to know when new low vulnerabilities affecting linksys ea8100 are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:C

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

Linksys / EA8100

1.0.3.216940

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/436431 vuldb.com: https://vuldb.com/vuln/436431/cti vuldb.com: https://vuldb.com/cve/CVE-2026-127276 vuldb.com: https://vuldb.com/submit/1040998 github.com: https://github.com/geo-chen/oss/blob/main/Linksys.md#finding-4-admin-credential-stored-in-a-non-httponly-cookie-admin-auth linksys.com: https://www.linksys.com/

Credits

🔍 geochen (VulDB User) VulDB CNA Team