CVE-2026-127274
Linksys EA8100 CheckAdminPassword excessive authentication
CVSS Score
3.7
EPSS Score
0.0%
EPSS Percentile
0th
A vulnerability was found in Linksys EA8100 1.0.3.216940. This vulnerability affects unknown code of the file /jnap/core/CheckAdminPassword. The manipulation results in improper restriction of excessive authentication attempts. The attack may be performed from remote. The attack requires a high level of complexity. It is stated that the exploitability is difficult. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.
| CWE | CWE-307 CWE-799 |
| Vendor | linksys |
| Product | ea8100 |
| Published | Nov 12, 2026 |
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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
vuldb.com: https://vuldb.com/vuln/436429 vuldb.com: https://vuldb.com/vuln/436429/cti vuldb.com: https://vuldb.com/cve/CVE-2026-127274 vuldb.com: https://vuldb.com/submit/1040995 github.com: https://github.com/geo-chen/oss/blob/main/Linksys.md#finding-2-no-rate-limiting-or-lockout-on-admin-authentication-jnap-checkadminpassword linksys.com: https://www.linksys.com/
Credits
🔍 geochen (VulDB User) VulDB CNA Team