CVE-2024-31814 - Vulnerability Details - OpenCVE

Description

TOTOLINK EX200 V4.0.3c.7646_B20201211 allows attackers to bypass login through the Form_Login function.

Published: 2024-04-08

Score: 8.8 High

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

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

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

AND

cpe:2.3:o:totolink:ex200_firmware:4.0.3c.7646_b20201211:*:*:*:*:*:*:*

cpe:2.3:h:totolink:ex200:-:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

No CVSS v4.0

Attack Vector Adjacent Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00049.

Exploitation poc

Automatable yes

Technical Impact total

References

Link	Providers
https://github.com/4hsien/CVE-vulns/blob/main/TOTOLINK/EX200/Login_Bypass/bypass.md

History

Fri, 27 Feb 2026 02:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Tue, 18 Mar 2025 16:30:00 +0000

Type	Values Removed	Values Added
First Time appeared		Totolink Totolink ex200 Totolink ex200 Firmware
CPEs		cpe:2.3:h:totolink:ex200:-:::::::* cpe:2.3:o:totolink:ex200_firmware:4.0.3c.7646_b20201211:::::::*
Vendors & Products		Totolink Totolink ex200 Totolink ex200 Firmware

Subscriptions

Totolink Ex200 Ex200 Firmware

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2024-04-08T00:00:00.000Z

Updated: 2024-08-02T01:59:50.413Z

Reserved: 2024-04-05T00:00:00.000Z

Link: CVE-2024-31814

Vulnrichment

Updated: 2024-08-02T01:59:50.413Z

NVD

Status : Analyzed

Published: 2024-04-08T13:15:08.887

Modified: 2025-03-18T16:03:02.557

Link: CVE-2024-31814

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-288

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2024-31814", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2024-08-02T01:59:50.413Z", "dateReserved": "2024-04-05T00:00:00.000Z", "datePublished": "2024-04-08T00:00:00.000Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2024-04-08T12:21:30.217Z"}, "descriptions": [{"lang": "en", "value": "TOTOLINK EX200 V4.0.3c.7646_B20201211 allows attackers to bypass login through the Form_Login function."}], "affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"version": "n/a", "status": "affected"}]}], "references": [{"url": "https://github.com/4hsien/CVE-vulns/blob/main/TOTOLINK/EX200/Login_Bypass/bypass.md"}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "n/a"}]}]}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-288", "lang": "en", "description": "CWE-288 Authentication Bypass Using an Alternate Path or Channel"}]}], "affected": [{"vendor": "totolink", "product": "ex200_firmware", "cpes": ["cpe:2.3:o:totolink:ex200_firmware:4.0.3c.7646_b20201211:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "versions": [{"version": "4.0.3c.7646_b20201211", "status": "affected"}]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2024-07-26T16:49:05.555649Z", "id": "CVE-2024-31814", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-07-26T20:06:16.365Z"}}, {"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T01:59:50.413Z"}, "title": "CVE Program Container", "references": [{"url": "https://github.com/4hsien/CVE-vulns/blob/main/TOTOLINK/EX200/Login_Bypass/bypass.md", "tags": ["x_transferred"]}]}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://github.com/4hsien/CVE-vulns/blob/main/TOTOLINK/EX200/Login_Bypass/bypass.md", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T01:59:50.413Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2024-31814", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2024-07-26T16:49:05.555649Z"}}}], "affected": [{"cpes": ["cpe:2.3:o:totolink:ex200_firmware:4.0.3c.7646_b20201211:*:*:*:*:*:*:*"], "vendor": "totolink", "product": "ex200_firmware", "versions": [{"status": "affected", "version": "4.0.3c.7646_b20201211"}], "defaultStatus": "unknown"}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-288", "description": "CWE-288 Authentication Bypass Using an Alternate Path or Channel"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-07-26T16:54:37.730Z"}}], "cna": {"affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "references": [{"url": "https://github.com/4hsien/CVE-vulns/blob/main/TOTOLINK/EX200/Login_Bypass/bypass.md"}], "descriptions": [{"lang": "en", "value": "TOTOLINK EX200 V4.0.3c.7646_B20201211 allows attackers to bypass login through the Form_Login function."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "text", "description": "n/a"}]}], "providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2024-04-08T12:21:30.217Z"}}}, "cveMetadata": {"cveId": "CVE-2024-31814", "state": "PUBLISHED", "dateUpdated": "2024-08-02T01:59:50.413Z", "dateReserved": "2024-04-05T00:00:00.000Z", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "datePublished": "2024-04-08T00:00:00.000Z", "assignerShortName": "mitre"}, "dataVersion": "5.1"}