CVE-2026-7548

HIGH 8.8

Totolink NR1800X cstecgi.cgi sub_41A68C command injection

CVSS Score

8.8

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-77 CWE-74
Vendor	totolink
Product	nr1800x
Published	May 1, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

Totolink / NR1800X

9.1.0u.6279_B20210910

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

🔍 NEWYM (VulDB User)