CVE-2026-6112 (GCVE-0-2026-6112)
Vulnerability from cvelistv5 – Published: 2026-04-12 02:45 – Updated: 2026-04-12 02:45
VLAI?
Title
Totolink A7100RU CGI cstecgi.cgi setRadvdCfg os command injection
Summary
A weakness has been identified in Totolink A7100RU 7.4cu.2313_b20191024. Affected is the function setRadvdCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. This manipulation of the argument maxRtrAdvInterval causes os command injection. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks.
Severity ?
9.8 (Critical)
9.8 (Critical)
Assigner
References
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Impacted products
Credits
LtzHust2 (VulDB User)
{
"containers": {
"cna": {
"affected": [
{
"cpes": [
"cpe:2.3:o:totolink:a7100ru_firmware:*:*:*:*:*:*:*:*"
],
"modules": [
"CGI Handler"
],
"product": "A7100RU",
"vendor": "Totolink",
"versions": [
{
"status": "affected",
"version": "7.4cu.2313_b20191024"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "LtzHust2 (VulDB User)"
}
],
"descriptions": [
{
"lang": "en",
"value": "A weakness has been identified in Totolink A7100RU 7.4cu.2313_b20191024. Affected is the function setRadvdCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. This manipulation of the argument maxRtrAdvInterval causes os command injection. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks."
}
],
"metrics": [
{
"cvssV4_0": {
"baseScore": 9.3,
"baseSeverity": "CRITICAL",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P",
"version": "4.0"
}
},
{
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"baseSeverity": "CRITICAL",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R",
"version": "3.1"
}
},
{
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{
"cvssV2_0": {
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"vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:UR",
"version": "2.0"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-78",
"description": "OS Command Injection",
"lang": "en",
"type": "CWE"
}
]
},
{
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{
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"description": "Command Injection",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-04-12T02:45:13.694Z",
"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"shortName": "VulDB"
},
"references": [
{
"name": "VDB-356972 | Totolink A7100RU CGI cstecgi.cgi setRadvdCfg os command injection",
"tags": [
"vdb-entry",
"technical-description"
],
"url": "https://vuldb.com/vuln/356972"
},
{
"name": "VDB-356972 | CTI Indicators (IOB, IOC, TTP, IOA)",
"tags": [
"signature",
"permissions-required"
],
"url": "https://vuldb.com/vuln/356972/cti"
},
{
"name": "Submit #792245 | Totolink A7100RU 7.4cu.2313_b20191024 Command Injection",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/submit/792245"
},
{
"tags": [
"exploit"
],
"url": "https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_177/README.md"
},
{
"tags": [
"product"
],
"url": "https://www.totolink.net/"
}
],
"timeline": [
{
"lang": "en",
"time": "2026-04-11T00:00:00.000Z",
"value": "Advisory disclosed"
},
{
"lang": "en",
"time": "2026-04-11T02:00:00.000Z",
"value": "VulDB entry created"
},
{
"lang": "en",
"time": "2026-04-11T10:23:19.000Z",
"value": "VulDB entry last update"
}
],
"title": "Totolink A7100RU CGI cstecgi.cgi setRadvdCfg os command injection"
}
},
"cveMetadata": {
"assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"assignerShortName": "VulDB",
"cveId": "CVE-2026-6112",
"datePublished": "2026-04-12T02:45:13.694Z",
"dateReserved": "2026-04-11T08:17:59.227Z",
"dateUpdated": "2026-04-12T02:45:13.694Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
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}
}
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Sightings
| Author | Source | Type | Date |
|---|
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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