CVE-2021-46422

CRITICALNVD 9.89.8—Elevated

9.8

Telesquare SDT-CW3B1 1.1.0 is affected by an OS command injection vulnerability that allows a remote attacker to execute OS commands without any authentication.

CVSS v3: 9.8
EG Score: 9.8(high)
EPSS: 99.9%
KEV: Not listed

Published

April 27, 2022

Last Modified

November 21, 2024

References (6)

cve@mitrehttp://packetstormsecurity.com/files/167201/SDT-CW3B1-1.1.0-Command-Injection.html
cve@mitrehttp://packetstormsecurity.com/files/167387/Telesquare-SDT-CW3B1-1.1.0-Command-Injection.html
cve@mitrehttps://drive.google.com/drive/folders/1YJlVlb4SlTEGONzIjiMwd2P7ucP_Pm7T?usp=sharing
af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/167201/SDT-CW3B1-1.1.0-Command-Injection.html
af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/167387/Telesquare-SDT-CW3B1-1.1.0-Command-Injection.html
af854a3a-2127-422b-91ae-364da2661108https://drive.google.com/drive/folders/1YJlVlb4SlTEGONzIjiMwd2P7ucP_Pm7T?usp=sharing

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-78OS Command Injection

Data Freshness Timeline

(refreshed 4× in last 7d / 13× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-25 23:08 UTCEG score recompute
2026-05-25 23:08 UTCGHSA enrichment
2026-05-25 06:07 UTCOSV refresh

Publicly available exploits

(6 references)

Working exploit code is in the public domain (3 GitHub PoCs) (2 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

GitHub PoCyyqxi/CVE-2021-46422
First seen Oct 16, 2022
CVE-2021-46422poc
Open source ↗
GitHub PoCAwei507/CVE-RCE
First seen Oct 15, 2022
CVE-2021-46422漏洞
Open source ↗
GitHub PoCChocapikk/CVE-2021-46422
First seen Jun 20, 2022
Telesquare SDT-CW3B1 1.1.0 - OS Command Injection
Open source ↗
Exploit-DBEDB-50948
First seen Jun 3, 2022
Telesquare SDT-CW3B1 1.1.0 - OS Command Injection
Open source ↗
Exploit-DBEDB-50936
First seen May 17, 2022
SDT-CW3B1 1.1.0 - OS Command Injection
Open source ↗
Nucleihttp/cves/2021/CVE-2021-46422.yaml
First seen Jan 1, 2021
SDT-CW3B1 1.1.0 - OS Command Injection
Open source ↗

Frequently asked(5)

What is CVE-2021-46422?

CVE-2021-46422 is a critical vulnerability published on April 27, 2022. Telesquare SDT-CW3B1 1.1.0 is affected by an OS command injection vulnerability that allows a remote attacker to execute OS commands without any authentication.

When was CVE-2021-46422 disclosed?

CVE-2021-46422 was first published in the National Vulnerability Database on April 27, 2022, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2021-46422 actively exploited?

CVE-2021-46422 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 99.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-46422?

CVE-2021-46422 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2021-46422?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-46422, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2021-46422

📅 Published

🔄 Last Modified

🔗 References (6)

Weakness Classification(1)

Data Freshness Timeline

Publicly available exploits

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2021-46422?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (6)

Frequently asked(5)

Related CVEs(same CWE)