CVE-2021-46422
CVE-2021-46422 is a critical-severity vulnerability in Telesquare Sdt-cs3b1 Firmware with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 95% places it in the 100th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-78.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 10.0
- EPSS exploit prediction: 95% (100th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-78
- Affected product: Telesquare Sdt-cs3b1 Firmware
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2021-46422?
- 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.
- How severe is CVE-2021-46422?
- CVE-2021-46422 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2021-46422 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 95% (100th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-46422?
- CVE-2021-46422 affects Telesquare Sdt-cs3b1 Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-46422?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2021-46422 published?
- CVE-2021-46422 was published on 2022-04-27 and last updated on 2026-06-17.
References
- http://packetstormsecurity.com/files/167201/SDT-CW3B1-1.1.0-Command-Injection.html
- http://packetstormsecurity.com/files/167387/Telesquare-SDT-CW3B1-1.1.0-Command-Injection.html
- https://drive.google.com/drive/folders/1YJlVlb4SlTEGONzIjiMwd2P7ucP_Pm7T?usp=sharing
Affected products (1)
- cpe:2.3:o:telesquare:sdt-cs3b1_firmware:1.1.0:*:*:*:*:*:*:*
More vulnerabilities in Telesquare Sdt-cs3b1 Firmware
- CVE-2017-20224 — Critical (CVSS 9.8): Telesquare SKT LTE Router SDT-CS3B1 version 1.2.0 contains an arbitrary file upload vulnerability that allows…
- CVE-2017-20223 — Critical (CVSS 9.8): Telesquare SKT LTE Router SDT-CS3B1 firmware version 1.2.0 contains an insecure direct object reference vulnerability…
- CVE-2018-12526 — Critical (CVSS 9.8): Telesquare SDT-CS3B1 and SDT-CW3B1 devices through 1.2.0 have a default factory account. Remote attackers can obtain…
- CVE-2017-20222 — High (CVSS 7.5): Telesquare SKT LTE Router SDT-CS3B1 software version 1.2.0 contains an unauthenticated remote reboot vulnerability that…
- CVE-2017-20221 — Medium (CVSS 4.3): Telesquare SKT LTE Router SDT-CS3B1 version 1.2.0 contains a cross-site request forgery vulnerability that allows…
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