CVE-2026-7548

high

Published 2026-05-01 · Modified 2026-05-01

CVSS v3

8.8

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v2

9.0

VIR risk

8.8

Description

A vulnerability was detected in Totolink NR1800X 9.1.0u.6279_B20210910. This affects the function sub_41A68C of the file /cgi-bin/cstecgi.cgi. Performing a manipulation of the argument setUssd results in command injection. The attack is possible to be carried out remotely. The exploit is now public and may be used.

Predictions

Exploit likelihood

92%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No vendor mitigations ingested yet for this CVE. The mitigation-content worker queues fetches as references arrive — check back in a few minutes, or see the references list below.

References

https://github.com/newym/cve/blob/main/totolink%20nr1800x%20command%20injection.md
https://vuldb.com/submit/804417
https://vuldb.com/vuln/360358
https://vuldb.com/vuln/360358/cti
https://www.totolink.net/

CWEs

CWE-74 CWE-77

Verify integrity in audit chain (admin only). AS-IS.