CVE-2023-30054
Published: 05 May 2023
Summary
CVE-2023-30054 is a critical-severity OS Command Injection (CWE-78) vulnerability in Totolink A7100Ru Firmware. Its CVSS base score is 9.8 (Critical).
Operationally, ranked in the top 12.0% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
Deeper analysis
CVE-2023-30054 is a command injection vulnerability, tracked under CWE-78, that affects the TOTOLINK A7100RU router running firmware version V7.4cu.2313_B20191024. The flaw permits an attacker to supply a crafted payload that results in execution of arbitrary operating system commands on the device.
An unauthenticated attacker with network access can exploit the issue remotely to obtain a stable root shell, granting full control over the affected router. The vulnerability carries a CVSS 3.1 base score of 9.8, reflecting the absence of required authentication or user interaction and the complete compromise of confidentiality, integrity, and availability.
Public references consist of GitHub repositories that appear to contain proof-of-concept material for the flaw. The EPSS score for the CVE reached a peak of 0.0518 on 2025-12-11 before receding to its current value of 0.0358.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-34487
Vulnerability details
TOTOLINK A7100RU V7.4cu.2313_B20191024 has a Command Injection vulnerability. An attacker can obtain a stable root shell through a specially constructed payload.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.