Is CVE-2026-7548 actively exploited?

No active exploitation of CVE-2026-7548 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-7548 be exploited remotely?

Yes. CVE-2026-7548 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-7548?

CVE-2026-7548 has a CVSS score of 8.8 (HIGH).

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HIGH

CVE-2026-7548

CWE-74Published: May 1, 2026· Updated: May 1, 2026

8.8

CVSS v3.1

EPSS:1.16%probability of exploitation in 30 daysPercentile:78.7th

Official 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.

NVD Source

Technical Analysis

CVE-2026-7548 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

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 8.8.