CVE-2023-50651
Published: 30 December 2023
Summary
CVE-2023-50651 is a critical-severity OS Command Injection (CWE-78) vulnerability in Totolink X6000R Firmware. Its CVSS base score is 9.8 (Critical).
Operationally, ranked in the top 13.4% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
Deeper analysis
TOTOLINK X6000R firmware version v9.4.0cu.852_B20230719 contains a remote command execution vulnerability in the /cgi-bin/cstecgi.cgi component. The issue is tracked as CVE-2023-50651 with a CVSS 3.1 score of 9.8 and is classified under CWE-78, indicating improper neutralization of special elements used in an OS command.
An unauthenticated attacker with network access can supply crafted input to the affected CGI endpoint and execute arbitrary commands on the device. Successful exploitation grants full control over the router, allowing confidentiality, integrity, and availability impacts without requiring user interaction or credentials.
The associated EPSS score rose from a low baseline to a peak of 0.0542 on 2025-12-11 before receding to the current value of 0.0287, indicating increased exploitation interest after public disclosure. Vendor references point to totolink.com and a detailed Notion disclosure page, though no official patch or mitigation guidance is provided in the available sources.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-55429
Vulnerability details
TOTOLINK X6000R v9.4.0cu.852_B20230719 was discovered to contain a remote command execution (RCE) vulnerability via the component /cgi-bin/cstecgi.cgi.
- 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.