CVE-2026-7255
Full vulnerability record from the local CVENow database.
Description
** UNSUPPORTED WHEN ASSIGNED ** An improper restriction of excessive authentication attempts vulnerability in the web management interface of Zyxel WRE6505 v2 firmware version V1.00(ABDV.3)C0 could allow an adjacent attacker on the LAN to brute-force the password and bypass authentication.
Severity
MEDIUM
CVSS score
6.5
(v3.1)
Vulnerability status
Analyzed
Source identifier
Published
2026-05-12 04:16:29.143000
Last modified
2026-10-26 18:10:00.173000
View original CVE JSON
{
"id": "CVE-2026-7255",
"sourceIdentifier": "[email protected]",
"published": "2026-05-12T04:16:29.143",
"lastModified": "2026-10-26T18:10:00.173",
"vulnStatus": "Analyzed",
"cveTags": [
{
"sourceIdentifier": "[email protected]",
"tags": [
"unsupported-when-assigned"
]
}
],
"descriptions": [
{
"lang": "en",
"value": "** UNSUPPORTED WHEN ASSIGNED ** An improper restriction of excessive authentication attempts vulnerability in the web management interface of Zyxel WRE6505 v2 firmware version V1.00(ABDV.3)C0 could allow an adjacent attacker on the LAN to brute-force the password and bypass authentication."
},
{
"lang": "es",
"value": " NO SOPORTADO CUANDO ASIGNADO Una vulnerabilidad de restricción inadecuada de intentos excesivos de autenticación en la interfaz de gestión web del firmware versión V1.00(ABDV.3)C0 del Zyxel WRE6505 v2 podría permitir a un atacante adyacente en la LAN forzar la contraseña por fuerza bruta y eludir la autenticación."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "Zyxel",
"product": "WRE6505 v2 firmware",
"defaultStatus": "unaffected",
"versions": [
{
"version": "V1.00(ABDV.3)C0",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"attackVector": "ADJACENT_NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"availabilityImpact": "NONE"
},
"exploitabilityScore": 2.8,
"impactScore": 3.6
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-05-12T12:50:07.868941Z",
"id": "CVE-2026-7255",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-307"
}
]
}
],
"configurations": [
{
"operator": "AND",
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:o:zyxel:wre6505_firmware:v1.00\\(abdv.3\\)c0:*:*:*:*:*:*:*",
"matchCriteriaId": "6CCCBD5B-877B-4050-83AB-33E29C86A399"
}
]
},
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": false,
"criteria": "cpe:2.3:h:zyxel:wre6505:v2:*:*:*:*:*:*:*",
"matchCriteriaId": "80D82EE7-F4EF-46FA-9D1D-C7EC6159E74E"
}
]
}
]
}
],
"references": [
{
"url": "https://www.zyxel.com/global/en/support/end-of-life",
"source": "[email protected]",
"tags": [
"Product"
]
}
]
}