CVE-2022-25595

ASUS RT-AC86U - Improper Input Validation

View on CVE.org

Published Apr 7, 2022 CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed

Description

ASUS RT-AC86U has improper user request handling, which allows an unauthenticated LAN attacker to cause a denial of service by sending particular request a server-to-client reply attempt.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

ASUS

RT-AC86U

affected

Version	Status	Constraints
`3.0.0.4.386.45956`	affected	—

Configuration 1 [-]

AND

cpe:2.3:o:asus:rt-ac86u_firmware:3.0.0.4.386.45956:*:*:*:*:*:*:*

cpe:2.3:h:asus:rt-ac86u:-:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

Vendor Solution

Update ASUS RT-AC86U firmware version to 3.0.0.4_386_46092

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2022-30256	ASUS RT-AC86U has improper user request handling, which allows an unauthenticated LAN attacker to cause a denial of service by sending particular request a server-to-client reply attempt.

Metrics

No CVSS v4.0

Attack Vector Adjacent Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Adjacent Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Complete

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.369% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://www.twcert.org.tw/tw/cp-132-5792-3f3f5-1.html

History

No history.

Subscriptions

Asus Rt-ac86u Rt-ac86u Firmware

Weaknesses

CWE-20

Sources

CVE record Updated: Sep 16, 2024, 5:33 PM

Status: PUBLISHED
Assigner: twcert
Published: Apr 7, 2022, 6:22 PM
Updated: Sep 16, 2024, 5:33 PM
Reserved: Feb 21, 2022, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 4:33 AM

Status: Modified
Published: Apr 7, 2022, 7:15 PM
Modified: Jun 17, 2026, 4:33 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

{"containers": {"cna": {"affected": [{"product": "RT-AC86U", "vendor": "ASUS", "versions": [{"status": "affected", "version": "3.0.0.4.386.45956"}]}], "datePublic": "2022-03-07T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "ASUS RT-AC86U has improper user request handling, which allows an unauthenticated LAN attacker to cause a denial of service by sending particular request a server-to-client reply attempt."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-20", "description": "CWE-20 Improper Input Validation", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2022-04-07T18:22:33.000Z", "orgId": "cded6c7f-6ce5-4948-8f87-aa7a3bbb6b0e", "shortName": "twcert"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.twcert.org.tw/tw/cp-132-5792-3f3f5-1.html"}], "solutions": [{"lang": "en", "value": "Update ASUS RT-AC86U firmware version to 3.0.0.4_386_46092"}], "source": {"advisory": "TVN-202202005", "discovery": "EXTERNAL"}, "title": "ASUS RT-AC86U - Improper Input Validation", "x_generator": {"engine": "Vulnogram 0.0.9"}, "x_legacyV4Record": {"CVE_data_meta": {"AKA": "TWCERT/CC", "ASSIGNER": "cve@cert.org.tw", "DATE_PUBLIC": "2022-03-07T01:44:00.000Z", "ID": "CVE-2022-25595", "STATE": "PUBLIC", "TITLE": "ASUS RT-AC86U - Improper Input Validation"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "RT-AC86U", "version": {"version_data": [{"version_affected": "=", "version_value": "3.0.0.4.386.45956"}]}}]}, "vendor_name": "ASUS"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "ASUS RT-AC86U has improper user request handling, which allows an unauthenticated LAN attacker to cause a denial of service by sending particular request a server-to-client reply attempt."}]}, "generator": {"engine": "Vulnogram 0.0.9"}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-20 Improper Input Validation"}]}]}, "references": {"reference_data": [{"name": "https://www.twcert.org.tw/tw/cp-132-5792-3f3f5-1.html", "refsource": "MISC", "url": "https://www.twcert.org.tw/tw/cp-132-5792-3f3f5-1.html"}]}, "solution": [{"lang": "en", "value": "Update ASUS RT-AC86U firmware version to 3.0.0.4_386_46092"}], "source": {"advisory": "TVN-202202005", "discovery": "EXTERNAL"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T04:42:49.985Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.twcert.org.tw/tw/cp-132-5792-3f3f5-1.html"}]}]}, "cveMetadata": {"assignerOrgId": "cded6c7f-6ce5-4948-8f87-aa7a3bbb6b0e", "assignerShortName": "twcert", "cveId": "CVE-2022-25595", "datePublished": "2022-04-07T18:22:33.136Z", "dateReserved": "2022-02-21T00:00:00.000Z", "dateUpdated": "2024-09-16T17:33:17.584Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"product": "RT-AC86U", "vendor": "ASUS", "versions": [{"status": "affected", "version": "3.0.0.4.386.45956"}]}], "source": "twcert@cert.org.tw"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:asus:rt-ac86u_firmware:3.0.0.4.386.45956:*:*:*:*:*:*:*", "matchCriteriaId": "AC295AA1-129C-40FB-999A-CFFC98DA5A43", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:asus:rt-ac86u:-:*:*:*:*:*:*:*", "matchCriteriaId": "89095282-ABBD-4056-B731-7F05638DB1A6", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "ASUS RT-AC86U has improper user request handling, which allows an unauthenticated LAN attacker to cause a denial of service by sending particular request a server-to-client reply attempt."}, {"lang": "es", "value": "ASUS RT-AC86U, presenta un manejo inapropiado de las peticiones de los usuarios, lo que permite a un atacante de LAN no autenticado causar una denegaci\u00f3n de servicio mediante el env\u00edo de una petici\u00f3n particular un intento de respuesta de servidor a cliente"}], "id": "CVE-2022-25595", "lastModified": "2026-06-17T04:33:44.133", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "ADJACENT_NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 6.1, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:A/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 6.5, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "twcert@cert.org.tw", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-04-07T19:15:08.757", "references": [{"source": "twcert@cert.org.tw", "tags": ["Third Party Advisory"], "url": "https://www.twcert.org.tw/tw/cp-132-5792-3f3f5-1.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.twcert.org.tw/tw/cp-132-5792-3f3f5-1.html"}], "sourceIdentifier": "twcert@cert.org.tw", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "twcert@cert.org.tw", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-20"}], "source": "nvd@nist.gov", "type": "Primary"}]}