FKIE_CVE-2023-43138
Vulnerability from fkie_nvd - Published: 2023-09-20 20:15 - Updated: 2026-06-17 06:25
Severity
Summary
TPLINK TL-ER5120G 4.0 2.0.0 Build 210817 Rel.80868n has a command injection vulnerability, when an attacker adds NAPT rules after authentication, and the rule name has an injection point.
References
| URL | Tags | ||
|---|---|---|---|
| cve@mitre.org | https://github.com/7R4C4R/CVE/blob/main/TPLINK-TL-ER5120G/command%20injection/02/command%20injection02.md | Exploit, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://github.com/7R4C4R/CVE/blob/main/TPLINK-TL-ER5120G/command%20injection/02/command%20injection02.md | Exploit, Third Party Advisory |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| tp-link | tl-er5120g_firmware | 2.0.0 | |
| tp-link | tl-er5120g | 4.0 |
{
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"vendor": "n/a",
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}
]
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],
"source": "cve@mitre.org"
},
{
"affectedData": [
{
"cpes": [
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],
"defaultStatus": "unknown",
"product": "tl-er5120g",
"vendor": "tplink",
"versions": [
{
"status": "affected",
"version": "4.0_2.0.0"
}
]
}
],
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
}
],
"configurations": [
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"vulnerable": true
}
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}
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],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "TPLINK TL-ER5120G 4.0 2.0.0 Build 210817 Rel.80868n has a command injection vulnerability, when an attacker adds NAPT rules after authentication, and the rule name has an injection point."
},
{
"lang": "es",
"value": "TPLINK TL-ER5120G 4.0 2.0.0 Build 210817 Rel.80868n tiene una vulnerabilidad de inyecci\u00f3n de comandos, cuando un atacante agrega reglas NAPT despu\u00e9s de la autenticaci\u00f3n y el nombre de la regla tiene un punto de inyecci\u00f3n."
}
],
"id": "CVE-2023-43138",
"lastModified": "2026-06-17T06:25:10.403",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 5.9,
"source": "nvd@nist.gov",
"type": "Primary"
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"options": [
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{
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{
"technicalImpact": "total"
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],
"role": "CISA Coordinator",
"timestamp": "2024-09-25T13:42:32.677425Z",
"version": "2.0.3"
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},
"published": "2023-09-20T20:15:12.303",
"references": [
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"tags": [
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"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
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"lang": "en",
"value": "CWE-77"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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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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