CVE-2024-33820 - Vulnerability Details - OpenCVE

Totolink AC1200 Wireless Dual Band Gigabit Router A3002R_V4 Firmware V4.0.0-B20230531.1404 is vulnerable to Buffer Overflow via the formWlEncrypt function of the boa server. Specifically, they exploit the length of the wlan_ssid field triggers the overflow.

No CVSS v4.0

Attack Vector Adjacent Network

Attack Complexity High

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 0.00155.

Key SSVC decision points have not yet been added.

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:a3002r_firmware:4.0.0-b20230531.1404:*:*:*:*:*:*:*

cpe:2.3:h:totolink:a3002r:v4:*:*:*:*:*:*:*

No data.

No data.

Project Subscriptions

Vendors	Products
Totolink Subscribe	A3002r Subscribe A3002r Firmware Subscribe

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://gist.github.com/Swind1er/ee095fbfe13f77a5b45b39a5aa82bd17

History

Tue, 17 Jun 2025 17:00:00 +0000

Type	Values Removed	Values Added
First Time appeared		Totolink Totolink a3002r Totolink a3002r Firmware
CPEs		cpe:2.3:h:totolink:a3002r:v4:::::::* cpe:2.3:o:totolink:a3002r_firmware:4.0.0-b20230531.1404:::::::*
Vendors & Products		Totolink Totolink a3002r Totolink a3002r Firmware

Projects

Sign in to view the affected projects.

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2024-05-01T00:00:00

Updated: 2024-08-02T02:42:59.429Z

Reserved: 2024-04-26T00:00:00

Link: CVE-2024-33820

Vulnrichment

Updated: 2024-08-02T02:42:59.429Z

NVD

Status : Analyzed

Published: 2024-05-01T16:15:07.837

Modified: 2025-06-17T16:44:33.990

Link: CVE-2024-33820

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-120

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2024-33820", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2024-08-02T02:42:59.429Z", "dateReserved": "2024-04-26T00:00:00", "datePublished": "2024-05-01T00:00:00"}, "containers": {"cna": {"providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2024-05-01T15:41:06.296867"}, "descriptions": [{"lang": "en", "value": "Totolink AC1200 Wireless Dual Band Gigabit Router A3002R_V4 Firmware V4.0.0-B20230531.1404 is vulnerable to Buffer Overflow via the formWlEncrypt function of the boa server. Specifically, they exploit the length of the wlan_ssid field triggers the overflow."}], "affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"version": "n/a", "status": "affected"}]}], "references": [{"url": "https://gist.github.com/Swind1er/ee095fbfe13f77a5b45b39a5aa82bd17"}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "n/a"}]}]}, "adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2024-33820", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2024-05-01T17:29:52.109898Z"}}}], "affected": [{"cpes": ["cpe:2.3:a:tenda:A3002R_V4_Firmware:V4.0.0-B20230531.1404:*:*:*:*:*:*:*"], "vendor": "tenda", "product": "A3002R_V4_Firmware", "versions": [{"status": "affected", "version": "V4.0.0-B20230531.1404"}], "defaultStatus": "unknown"}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-120", "description": "CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-04T17:44:24.845Z"}}, {"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T02:42:59.429Z"}, "title": "CVE Program Container", "references": [{"url": "https://gist.github.com/Swind1er/ee095fbfe13f77a5b45b39a5aa82bd17", "tags": ["x_transferred"]}]}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://gist.github.com/Swind1er/ee095fbfe13f77a5b45b39a5aa82bd17", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T02:42:59.429Z"}}, {"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2024-33820", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2024-05-01T17:29:52.109898Z"}}}], "affected": [{"cpes": ["cpe:2.3:a:tenda:A3002R_V4_Firmware:V4.0.0-B20230531.1404:*:*:*:*:*:*:*"], "vendor": "tenda", "product": "A3002R_V4_Firmware", "versions": [{"status": "affected", "version": "V4.0.0-B20230531.1404"}], "defaultStatus": "unknown"}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-120", "description": "CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-05-01T17:29:38.060Z"}, "title": "CISA ADP Vulnrichment"}], "cna": {"affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "references": [{"url": "https://gist.github.com/Swind1er/ee095fbfe13f77a5b45b39a5aa82bd17"}], "descriptions": [{"lang": "en", "value": "Totolink AC1200 Wireless Dual Band Gigabit Router A3002R_V4 Firmware V4.0.0-B20230531.1404 is vulnerable to Buffer Overflow via the formWlEncrypt function of the boa server. Specifically, they exploit the length of the wlan_ssid field triggers the overflow."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "text", "description": "n/a"}]}], "providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2024-05-01T15:41:06.296867"}}}, "cveMetadata": {"cveId": "CVE-2024-33820", "state": "PUBLISHED", "dateUpdated": "2024-08-02T02:42:59.429Z", "dateReserved": "2024-04-26T00:00:00", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "datePublished": "2024-05-01T00:00:00", "assignerShortName": "mitre"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:totolink:a3002r_firmware:4.0.0-b20230531.1404:*:*:*:*:*:*:*", "matchCriteriaId": "E86B079B-AD4D-46EF-9E45-31EE15729291", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:totolink:a3002r:v4:*:*:*:*:*:*:*", "matchCriteriaId": "E42E976B-BC94-4D8B-B260-D17C9CC36EED", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Totolink AC1200 Wireless Dual Band Gigabit Router A3002R_V4 Firmware V4.0.0-B20230531.1404 is vulnerable to Buffer Overflow via the formWlEncrypt function of the boa server. Specifically, they exploit the length of the wlan_ssid field triggers the overflow."}, {"lang": "es", "value": "El Router Gigabit inal\u00e1mbrico de banda dual Totolink AC1200 A3002R_V4 Firmware V4.0.0-B20230531.1404 es vulnerable al desbordamiento del b\u00fafer a trav\u00e9s de la funci\u00f3n formWlEncrypt del servidor boa. Espec\u00edficamente, explotan la longitud del campo wlan_ssid que desencadena el desbordamiento."}], "id": "CVE-2024-33820", "lastModified": "2025-06-17T16:44:33.990", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2024-05-01T16:15:07.837", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://gist.github.com/Swind1er/ee095fbfe13f77a5b45b39a5aa82bd17"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://gist.github.com/Swind1er/ee095fbfe13f77a5b45b39a5aa82bd17"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-120"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}