CVE-2024-7335 (GCVE-0-2024-7335)
Vulnerability from cvelistv5 – Published: 2024-08-01 02:00 – Updated: 2024-08-06 19:39
VLAI
EPSS
VEX
Title
TOTOLINK EX200 getSaveConfig buffer overflow
Summary
A vulnerability classified as critical has been found in TOTOLINK EX200 4.0.3c.7646_B20201211. Affected is the function getSaveConfig of the file /cgi-bin/cstecgi.cgi?action=save&setting. The manipulation of the argument http_host leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. VDB-273258 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-08-06 19:38 UTC
CWE
- CWE-120 - Buffer Overflow
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.273258 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.273258 | signaturepermissions-required |
| https://vuldb.com/?submit.379313 | third-party-advisory |
| https://github.com/abcdefg-png/IoT-vulnerable/blo… | exploit |
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| TOTOLINK | EX200 |
Affected:
4.0.3c.7646_B20201211
|
guessed | |
| totolink | ex200_firmware |
Affected:
4.0.3c.7646_b20201211
cpe:2.3:o:totolink:ex200_firmware:4.0.3c.7646_b20201211:*:*:*:*:*:*:* |
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"source": "cna@vuldb.com",
"tags": [
"Permissions Required",
"VDB Entry"
],
"url": "https://vuldb.com/?id.273258"
},
{
"source": "cna@vuldb.com",
"tags": [
"VDB Entry"
],
"url": "https://vuldb.com/?submit.379313"
}
],
"sourceIdentifier": "cna@vuldb.com",
"vulnStatus": "Analyzed",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-120"
}
],
"source": "cna@vuldb.com",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-120"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"current_release_date": "2025-05-28T22:17:08+00:00",
"cve": "CVE-2024-7335",
"id": "CVE-2024-7335",
"initial_release_date": "2024-01-01T00:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "TOTOLINK EX200 getSaveConfig buffer overflow",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-7335.json",
"version": "3"
},
"vulnrichment": {
"containers": {
"adp": [
{
"affected": [
{
"cpes": [
"cpe:2.3:o:totolink:ex200_firmware:4.0.3c.7646_b20201211:*:*:*:*:*:*:*"
],
"defaultStatus": "unknown",
"product": "ex200_firmware",
"vendor": "totolink",
"versions": [
{
"status": "affected",
"version": "4.0.3c.7646_b20201211"
}
]
}
],
"metrics": [
{
"other": {
"content": {
"id": "CVE-2024-7335",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-08-06T19:38:43.936600Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2024-08-06T19:39:18.797Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "EX200",
"vendor": "TOTOLINK",
"versions": [
{
"status": "affected",
"version": "4.0.3c.7646_B20201211"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "yhryhryhr_tu (VulDB User)"
}
],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability classified as critical has been found in TOTOLINK EX200 4.0.3c.7646_B20201211. Affected is the function getSaveConfig of the file /cgi-bin/cstecgi.cgi?action=save\u0026setting. The manipulation of the argument http_host leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. VDB-273258 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way."
},
{
"lang": "de",
"value": "Es wurde eine kritische Schwachstelle in TOTOLINK EX200 4.0.3c.7646_B20201211 entdeckt. Dabei betrifft es die Funktion getSaveConfig der Datei /cgi-bin/cstecgi.cgi?action=save\u0026setting. Durch das Manipulieren des Arguments http_host mit unbekannten Daten kann eine buffer overflow-Schwachstelle ausgenutzt werden. Die Umsetzung des Angriffs kann dabei \u00fcber das Netzwerk erfolgen. Der Exploit steht zur \u00f6ffentlichen Verf\u00fcgung."
}
],
"metrics": [
{
"cvssV4_0": {
"baseScore": 8.7,
"baseSeverity": "HIGH",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
"version": "4.0"
}
},
{
"cvssV3_1": {
"baseScore": 8.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
}
},
{
"cvssV3_0": {
"baseScore": 8.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.0"
}
},
{
"cvssV2_0": {
"baseScore": 9,
"vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C",
"version": "2.0"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-120",
"description": "CWE-120 Buffer Overflow",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2024-08-01T02:00:06.560Z",
"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"shortName": "VulDB"
},
"references": [
{
"name": "VDB-273258 | TOTOLINK EX200 getSaveConfig buffer overflow",
"tags": [
"vdb-entry",
"technical-description"
],
"url": "https://vuldb.com/?id.273258"
},
{
"name": "VDB-273258 | CTI Indicators (IOB, IOC, IOA)",
"tags": [
"signature",
"permissions-required"
],
"url": "https://vuldb.com/?ctiid.273258"
},
{
"name": "Submit #379313 | TOTOLINK EX200 V4.0.3c.7646_B20201211 buffer overflow",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/?submit.379313"
},
{
"tags": [
"exploit"
],
"url": "https://github.com/abcdefg-png/IoT-vulnerable/blob/main/TOTOLINK/EX200/getSaveConfig.md"
}
],
"timeline": [
{
"lang": "en",
"time": "2024-07-31T00:00:00.000Z",
"value": "Advisory disclosed"
},
{
"lang": "en",
"time": "2024-07-31T02:00:00.000Z",
"value": "VulDB entry created"
},
{
"lang": "en",
"time": "2024-07-31T14:35:41.000Z",
"value": "VulDB entry last update"
}
],
"title": "TOTOLINK EX200 getSaveConfig buffer overflow"
}
},
"cveMetadata": {
"assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"assignerShortName": "VulDB",
"cveId": "CVE-2024-7335",
"datePublished": "2024-08-01T02:00:06.560Z",
"dateReserved": "2024-07-31T12:30:18.894Z",
"dateUpdated": "2024-08-06T19:39:28.167Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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