CVE-2022-41525
Published: 06 October 2022
Summary
CVE-2022-41525 is a critical-severity OS Command Injection (CWE-78) vulnerability in Totolink Nr1800X Firmware. Its CVSS base score is 9.8 (Critical).
Operationally, ranked in the top 5.4% 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 NR1800X firmware version V9.1.0u.6279_B20210910 contains a command injection vulnerability in the OpModeCfg function exposed at the /cgi-bin/cstecgi.cgi endpoint. The flaw is tracked as CVE-2022-41525, carries a CVSS 3.1 score of 9.8, and is classified under CWE-78.
Unauthenticated remote attackers can supply crafted input to the affected function over the network and execute arbitrary operating-system commands on the device. Successful exploitation grants full control over the router, allowing confidentiality, integrity, and availability impacts without any user interaction or credentials.
The single reference URL points to a technical write-up of the setOpModeCfg injection but does not describe vendor patches or mitigation steps. The associated EPSS score has remained near 0.15 with only a negligible difference between its recorded peak and current value.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-44718
Vulnerability details
TOTOLINK NR1800X V9.1.0u.6279_B20210910 was discovered to contain a command injection vulnerability via the OpModeCfg function at /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.