CVE-2022-41518
CWE-78Published: October 6, 2022· Updated: Jun 17, 2026
Official Description
TOTOLINK NR1800X V9.1.0u.6279_B20210910 was discovered to contain a command injection vulnerability via the UploadFirmwareFile function at /cgi-bin/cstecgi.cgi.
Risk Analysis
A command injection vulnerability exists in the UploadFirmwareFile function of the TOTOLINK NR1800X. This critical flaw allows unauthenticated remote attackers to execute arbitrary commands on the device.
No public exploit is known, and it is not in the CISA KEV. The vulnerability is remotely exploitable with low complexity.
Users should update their TOTOLINK NR1800X firmware to the latest version provided by the vendor.
Technical Analysis
CVE-2022-41518 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (2)
Quick Facts
Related CVEs (CWE-78)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2022-41518 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts